Celestial citrus! Scientists are baffled by a LEMON–shaped planet that 'defies explanation'

• READ MORE: Scientists find 'slushy tunnels' on Titan that could harbour life

By WILIAM HUNTER, SENIOR SCIENCE & TECHNOLOGY REPORTER

Scientists have been baffled by a bizarre lemon–shaped planet that 'defies explanation'.

The Jupiter–size planet was discovered by NASA's James Webb Space Telescope (JWST) and is so strange that it challenges everything we know about how planets form.

Dubbed PSR J2322–2650b, the gas giant has an exotic carbon and helium atmosphere that is unlike any other known exoplanet.

Soot clouds float through the super–heated reaches of its upper atmosphere and condense into diamonds deep in the planet's heart.

This unusual composition is made even stranger by the fact that this planet doesn't orbit a star like our sun.

Instead, this world orbits a type of neutron star known as a pulsar – the ultra–dense core of a dead star that compresses the mass of the sun into something the size of a city.

Located 750 light–years from Earth, this pulsar is constantly bombarding its captive planet with gamma rays and stretching it under gravity into a unique 'lemon' shape.

This produces some of the most extreme temperature differences ever seen on a planet, with temperatures ranging from 650°C (1,200°F) at night to 2,030°C (3,700°F) in the day.

Scientists have been baffled to discover a bizarre lemon–shaped planet that defies everything we know about planetary formation 

Even by the standards of exotic exoplanets, PSR J2322–2650b stands out as exceptionally odd.

And, in a new paper, accepted for publication in The Astrophysical Journal Letters, researchers used the JWST to reveal that the planet is even stranger.

Co–author of the study Dr Peter Gao, of the Carnegie Earth and Planets Laboratory, says: 'I remember after we got the data down, our collective reaction was "What the heck is this?"

'It's extremely different from what we expected.'

Of the 6,000 or so known exoplanets, this is the only gas giant that orbits a neutron star.

This is hardly surprising given that neutron stars tend to tear their neighbours apart with gravity or evaporate them with a bombardment of powerful radiation.

PSR J2322–2650b is also extraordinarily close to its star at just one million miles (1.6 million km) away, compared to the distance of 100 million miles (160 million km) between Earth and the Sun.

That means a year on this strange world takes just 7.8 hours as it whizzes around the neutron star at incredible speed.

The planet, dubbed PSR J2322–2650b, orbits a type of neutron star called a pulsar – the ultra–dense core of a dead star that compresses the mass of the sun into something the size of a city

But what really makes the planet a total anomaly is the composition of its atmosphere.

Co–author Dr Michael Zhang, of the University of Chicago, says: 'This is a new type of planet atmosphere that nobody has ever seen before.

'Instead of finding the normal molecules we expect to see on an exoplanet — like water, methane, and carbon dioxide — we saw molecular carbon, specifically C3 and C2.'

This is really weird because, at temperatures as high as they are on the planet, carbon should bond with any other atoms in the atmosphere.

That means molecular carbon can only be dominant when there is almost no oxygen or nitrogen present.

Out of the roughly 150 planets that scientists have analysed in depth, not a single one has molecular carbon in its atmosphere.

However, scientists still genuinely have no idea how such a weird planet could have formed.

'Did this thing form like a normal planet? No, because the composition is entirely different,' says Dr Zhang.

This pulsar is constantly bombarding its captive planet with gamma rays and stretching it under gravity into a unique 'lemon' shape (artist's impression)

Likewise, the planet couldn't have formed by stripping the outer layers of a star since the nuclear reactions in stellar cores don't make pure carbon.

Dr Zhang adds: 'It's very hard to imagine how you get this extremely carbon–enriched composition. It seems to rule out every known formation mechanism.'

Currently, the researchers' best theory is that carbon and oxygen crystallised in the planet's interior as it cooled.

The pure carbon crystals might have then floated to the top and mixed with helium, which is what the scientists would be seeing in their data.

However, co–author Professor Roger Romani, of Stamford University, says that this doesn't solve all the problems.

He says: 'Something has to happen to keep the oxygen and nitrogen away. And that's where the mystery comes in.

'But it's nice not to know everything. I'm looking forward to learning more about the weirdness of this atmosphere. It's great to have a puzzle to go after.'

Scientists study the atmosphere of distant exoplanets using enormous space satellites like Hubble

Distant stars and their orbiting planets often have conditions unlike anything we see in our atmosphere. 

To understand these new world's, and what they are made of, scientists need to be able to detect what their atmospheres consist of.  

They often do this by using a telescope similar to Nasa's Hubble Telescope.

These enormous satellites scan the sky and lock on to exoplanets that Nasa think may be of interest. 

Here, the sensors on board perform different forms of analysis. 

One of the most important and useful is called absorption spectroscopy. 

This form of analysis measures the light that is coming out of a planet's atmosphere. 

Every gas absorbs a slightly different wavelength of light, and when this happens a black line appears on a complete spectrum. 

These lines correspond to a very specific molecule, which indicates it's presence on the planet. 

They are often called Fraunhofer lines after the German astronomer and physicist that first discovered them in 1814.

By combining all the different wavelengths of lights, scientists can determine all the chemicals that make up the atmosphere of a planet. 

The key is that what is missing, provides the clues to find out what is present.  

It is vitally important that this is done by space telescopes, as the atmosphere of Earth would then interfere. 

Absorption from chemicals in our atmosphere would skew the sample, which is why it is important to study the light before it has had chance to reach Earth. 

This is often used to look for helium, sodium and even oxygen in alien atmospheres.  

This diagram shows how light passing from a star and through the atmosphere of an exoplanet produces Fraunhofer lines indicating the presence of key compounds such as sodium or helium 

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19-12-2025 om 15:19 geschreven door peter  

Bon voyage! Interstellar comet 3l/ATLAS safely passes Earth and is now whizzing towards Jupiter

• READ MORE: Nasa's wise scientist finally 'finds the Star of Bethlehem' 

By WILIAM HUNTER, SENIOR SCIENCE & TECHNOLOGY REPORTER

The interstellar comet that has had scientists around the world mesmerised for months safely passed Earth this morning. 

At roughly 06:00 GMT, 3I/ATLAS reached its closest point to Earth, coming within 168 million miles (270 million km) of our planet.

To put that into perspective, that is still nearly twice the average distance between Earth and the sun.

The comet is now whizzing towards Jupiter, where it will make a relatively close pass of the gas giant at a distance of 33 million miles (53 million km) on March 16, 2026.

From there, 3I/ATLAS will make its way past the orbit Saturn by July, without coming close to the planet, and cross the orbit of Uranus in June 2027.

In 2028, the interstellar object will travel beyond the last of the planets as it shoots by Neptune at 137,000 miles per hour (221,000 km/h).

Astronomers predict that the comet will reach the orbit of Pluto in April 2029, before striking out into the outer reaches of the solar system.

Finally, 3I/ATLAS will wave goodbye to our stellar neighbourhood as it returns to interstellar space sometime in the mid 2030s.

The interstellar comet 3I/ATLAS safely passed Earth this morning, reaching its closest distance to our planet at 168 million miles (270 million km) away 

3I/ATLAS was discovered in July and marks only the third time that astronomers have been able to find an object that formed around another star in our own solar system

3I/ATLAS was discovered on July 1 by the NASA-funded ATLAS telescope in Chile.

When scientists traced back the approaching object's trajectory, they made the startling discovery that it had arrived from outside the solar system.

This was just the third time astronomers had detected a visitor from another solar system, following 1I Oumuamua in 2017 and 2I Borisov in 2019.

Scientists believe that 3I/ATLAS formed around a distant star around eight billion years ago.

That makes the comet older than our solar system, and the oldest thing that we have ever been able to study close up.

On October 3, the comet reached its closest distance to Mars as it passed just 19 million miles (30 million km) from the Red Planet.

Then, on October 29, the interstellar object reached its closest point to the sun at a distance of 130 million miles (210 million km).

While some immediately leapt to wild conclusions about alien spacecraft, this was actually a fantastic opportunity for scientists to learn more about the history of the galaxy. 

Astronomers believe that 3I/ATLAS is around eight billion years old, making it older than our own solar system 

All of the objects behaviour is consistent with that of a comet heating up and releasing gas and dust as it approaches the sun 

3I/ATLAS' journey through the solar system

July 1: 3I/ATLAS is discovered by the ATLAS telescope in Chile

October 3: The object passes Mars at 19 million miles (30 million km)

October 29: 3I/ATLAS reaches perihelion, passing the sun at 130 million miles (210 million km)

December 19: Object reaches its closest distance from Earth at 168 million miles (270 million km)

March 16, 2026: 3I/ATLAS passes Jupiter

July 2026: 3I/ATLAS reaches Saturn's orbit

June 2027: Object crosses the orbit of Uranus

2028: The comet passes the last planet as it reaches Neptune's orbit

2029: The object passes Pluto and heads for interstellar space 

Mid 2030s: 3I/ATLAS leaves the solar system 

All that time, telescopes on Earth and out in space were redirected towards gathering information about the interstellar traveller.

NASA even used spacecraft orbiting Mars, normally used for recording the planet's surface, to capture data about the passing object.

Professor Chris Lintott, an astronomer from the University of Oxford, told Daily Mail: 'We've been scrambling to observe 3I/ATLAS with everything we've got since it was discovered.

'So far, it's a fairly normal, active comet - plenty of carbon monoxide, some water, a sprinkling of Nickel.'

As comets approach the sun, their outer layers of ice and dust evaporate into a glowing cloud known as a coma and several long tails stretching out in different directions.

The closer 3I/ATLAS got to the sun, the brighter and more active the coma and tails became, and the more layers of the comet's outer surface were burned away.

'Because it's being heated by the Sun, it's changing all the time, and it'll take some time to work out what it's really made of,' says Professor Lintott.

'One idea is that it's like a baked Alaska, with a crunchy outer layer affected by the billions of years it spent in outer space, surrounding a nice fresh ice core.'

Scientists have been 'scrambling' to observe the comet ever since it was discovered. This diagram shows all the spacecraft the European Space Agency has repurposed for investigating the object  

NASA was able to use spacecraft in orbit around Mars to capture to spectrum of light coming from the glowing cloud of gas and dust surrounding the comet (pictured) 

And, while it might take scientists months to comb through all the data, researchers have already learned enough to decisively conclude that it is not an alien spacecraft.

All of the object's supposedly anomalous behaviours, such as changing trajectory or producing jets of sublimating gas, are entirely consistent with what we know about comet behaviour.

Dr Matthew Genge, an expert on near-Earth objects and astrobiology from Imperial College London, says: 'Suggestions that 3I/Atlas was an alien spacecraft on route to Earth have thus been shown to be very wrong indeed.'

However, one of the most important lessons that scientists have learned from this encounter is that we need to be better prepared for the next interstellar object.

Interstellar objects are not particularly rare, as scientists predict there are around a billion billion billion of them in the galaxy, we are just very bad at spotting them.

But as telescopes like the newly-completed Vera C Rubin Observatory start to survey the sky, we should start to find many more.

Professor Mark Burchell, a space scientist from the University of Kent, told Daily Mail: 'Now we know how to spot them, it gets easier each time.

'The next science goal to my mind is to prepare to see a 'fresh' comet from the outer solar system, which means parking a spacecraft in space in advance.'

Having passed Earth, 3I/ATLAS is now whizzing towards Jupiter, where it will make a relatively close pass of the gas giant at a distance of 33 million miles (53 million km) on March 16, 2026

Read More

• Maven, we have a problem: NASA loses contact with spacecraft orbiting Mars for more than a DECADE 

Normally, it takes years to plan, build, and launch a new spacecraft - which isn't possible within the window we have to catch an interstellar object.

Yet with a spacecraft waiting out in space, scientists could simply redirect this interceptor craft to catch suitable comets when they approach.

Professor Burchell says this might be much harder to do with interstellar objects, since they are so much rarer than comets.

But if scientists were suitably prepared, the potential for learning about the formation of the galaxy could be incredible.

Explained: The difference between an asteroid, meteorite and other space rocks

An asteroid is a large chunk of rock left over from collisions or the early solar system. Most are located between Mars and Jupiter in the Main Belt.

A comet is a rock covered in ice, methane and other compounds. Their orbits take them much further out of the solar system.

A meteor is what astronomers call a flash of light in the atmosphere when debris burns up.

This debris itself is known as a meteoroid. Most are so small they are vapourised in the atmosphere.

If any of this meteoroid makes it to Earth, it is called a meteorite.

Meteors, meteoroids and meteorites normally originate from asteroids and comets.

For example, if Earth passes through the tail of a comet, much of the debris burns up in the atmosphere, forming a meteor shower.

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19-12-2025 om 15:08 geschreven door peter  

Saturn's moon could harbour ALIEN life: Scientists discover 'slushy tunnels' on Titan – and they might be habitable

• READ MORE: 'Wall demon' discovered on Jupiter's moon that could hint at life

By JONATHAN CHADWICK, ASSISTANT SCIENCE & TECHNOLOGY EDITOR 

Saturn's largest moon Titan has 'slushy tunnels' beneath its surface that could potentially harbour alien life, a new study shows.

Scientists at NASA and the University of Washington have analysed data captured by the Cassini space probe, which completed more than 100 targeted flybys of Titan. 

They reveal that the faraway moon has 'a slushy high–pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life. 

What's more, it means Titan may not have a waterworld–style liquid ocean under its frozen surface as previously thought. 

'Instead of an open ocean like we have here on Earth, we're probably looking at something more like Arctic sea ice or aquifers,' said study author Professor Baptiste Journaux at the University of Washington. 

'[This] has implications for what type of life we might find, the availability of nutrients, energy and so on.'

Around 3,200 miles in diameter, Titan is described by NASA as an icy world whose surface is completely obscured by a golden hazy atmosphere. 

It is the sole other place in the solar system known to have an Earth–like cycle of liquids raining from clouds, flowing across its surface, filling lakes and seas, and evaporating back into the sky – akin to the water cycle of our planet. 

The six infrared images of Titan above were created by compiling data collected over the course of the Cassini mission. They depict how the surface of Titan looks beneath the foggy atmosphere, highlighting the variable surface of the moon

Titan's frozen surface is thought to have water beneath it. According to the study, this is neither uniformly liquid, nor frozen solid, but slushy. This illustration shows the various ways Titan might respond to Saturn's gravitational pull depending on its interior structure. Only the slushy interior produced the bulge and lag observed in the new study

NASA's spacecraft Cassini launched from Cape Canaveral, Florida in October 1997 and spent two decades observing Saturn and its moons. 

As Titan circled Saturn in an elliptical (not perfectly circular) orbit, the moon was observed changing shape depending on where it was in relation to Saturn. 

In 2008, researchers proposed that Titan must possess a huge ocean beneath the surface to allow such significant 'stretching and smushing'. 

'The deformation we detected during the initial analysis of the Cassini mission data could have been compatible with a global ocean,' Professor Journaux said.

'But now we know that isn't the full story.' 

For the study, scientists performed a reanalysis of radiation data acquired by Cassini using improved modern techniques. 

Interestingly, they found that Titan's shape–shifting or 'flexing' occurs about 15 hours after the peak of Saturn's gravitational pull. 

This time delay allowed scientists to estimate how much energy it takes to change Titan's shape, allowing them to make conclusions about the moon's interior. 

Titan, imaged by the Cassini orbiter, December 2011. A thick shroud of organic haze permanently obscures Titan's surface from viewing in visible light

Cassini is depicted here in a NASA illustration. Cassini launched from Cape Canaveral, Florida in October 1997

Titan: Basic facts 

• Parent planet: Saturn
• Discovered: March 25, 1655 
• Type: Icy moon 
• Diameter: 3,200 miles 
• Temperature: Around –297 degrees Fahrenheit 
• Orbital period: Nearly 16 Earth days
• Mass: 1.8 times Earth's moon

Essentially, the amount of energy lost, or dissipated, in Titan was 'very strong' and much greater than would be observed if Titan were to have a global liquid ocean. 

'That was the smoking gun indicating that Titan's interior is different from what was inferred from previous analyses,' said study author Flavio Petricca at NASA. 

According to the study, Titan's frozen exterior hides more ice giving away to pockets of meltwater (water formed by the melting of snow and ice) near a rocky core. 

The model they propose in their paper, published in Nature, features more slush and quite a bit less liquid water on Titan than previously thought. 

The discovery of a slushy layer on Titan has 'exciting implications' for the search for life beyond our solar system as it expands the range of environments considered habitable.   

Although the idea of a liquid ocean on Titan was a promising indication of life there, researchers believe the new findings might improve the odds of finding it. 

Analyses indicate that the pockets of freshwater on Titan could reach 68°F (20°C) – which is the optimal temperature for life on Earth to thrive. 

Any available nutrients would be more concentrated in a small volume of water, compared to an open ocean, which could facilitate the growth of simple organisms.

Below Titan's frozen exterior is more ice giving way to slushy tunnels and pockets of meltwater (water formed by the melting of snow and ice) near a rocky core

Read More

• 

More could be revealed about the moon's habitability after NASA's upcoming Dragonfly mission to Titan launches in July 2028. 

The Dragonfly lander is expected to launch in July 2028 and take six years to reach Titan, arriving by 2034.

Scientists are still reaping the rewards of the rich data obtained by the Cassini robotic spacecraft, which was active for nearly 20 years after launching in October 1997.

Cassini's mission ended in September 2017 when it was deliberately flown into Saturn's upper atmosphere before it ran out of fuel.

In 2019, Cassini data revealed that a lake on Titan is rich with methane and 300 feet deep.

WHAT DID CASSINI DISCOVER DURING ITS 20-YEAR MISSION TO SATURN?

Cassini launched from Cape Canaveral, Florida in 1997, then spent seven years in transit followed by 13 years orbiting Saturn.

An artist's impression of the Cassini spacecraft studying Saturn 

In 2000 it spent six months studying Jupiter before reaching Saturn in 2004.

In that time, it discovered six more moons around Saturn, three-dimensional structures towering above Saturn's rings, and a giant storm that raged across the planet for nearly a year.

On 13 December 2004 it made its first flyby of Saturn's moons Titan and Dione.

On 24 December it released the European Space Agency-built Huygens probe on Saturn's moon Titan to study its atmosphere and surface composition.

There it discovered eerie hydrocarbon lakes made from ethane and methane.

In 2008, Cassini completed its primary mission to explore the Saturn system and began its mission extension (the Cassini Equinox Mission).

In 2010 it began its second mission (Cassini Solstice Mission) which lasted until it exploded in Saturn's atmosphere.

In December 2011, Cassini obtained the highest resolution images of Saturn's moon Enceladus.

In December of the following year it tracked the transit of Venus to test the feasibility of observing planets outside our solar system.

In March 2013 Cassini made the last flyby of Saturn's moon Rhea and measured its internal structure and gravitational pull.

Cassini didn't just study Saturn - it also captured incredible views of its many moons. In the image above, Saturn's moon Enceladus can be seen drifting before the rings and the tiny moon Pandora. It was captured on Nov. 1, 2009, with the entire scene is backlit by the Sun

In July of that year Cassini captured a black-lit Saturn to examine the rings in fine detail and also captured an image of Earth.

In April of this year it completed its closest flyby of Titan and started its Grande Finale orbit which finished on September 15.

'The mission has changed the way we think of where life may have developed beyond our Earth,' said Andrew Coates, head of the Planetary Science Group at Mullard Space Science Laboratory at University College London.

'As well as Mars, outer planet moons like Enceladus, Europa and even Titan are now top contenders for life elsewhere,' he added. 'We've completely rewritten the textbooks about Saturn.'

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19-12-2025 om 13:15 geschreven door peter  

a Main Target in the Search for Life Beyond Earth

One of 274 moons orbiting Saturn, Titan has long fascinated scientists due to its unique surface features. For example, Titan is the only solar system body besides Earth that may potentially have liquids on its surface, in the form of methane and ethane. The moon also experiences periodic rainfall, making it the only moon known to experience precipitation that reaches its surface.

But unlike Earth’s oceans, Titan’s lakes, rivers, and rains are made of hydrocarbons such as methane and ethane, not liquid water. When combined with its icy surface temperature of –290 degrees Fahrenheit (–179°C), it is considered unlikely that life could exist in any of those liquid environments.

When NASA scientists first analyzed data from Cassini’s decade-plus mission to Saturn and its moons, the initial readings suggested that a large, liquid-water ocean may exist beneath Titan. The discovery fueled speculation about possible extraterrestrial life forms living in such an ocean, including whether more complex life could exist under such conditions.

More recently, evidence has mounted that several other solar system moons, including Saturn’s “Death Star” moon Mimas and Jupiter’s Ganymede and Europa, may also have massive seawater oceans underneath their icy shells. Those discoveries have once again increased optimism that future missions to those space bodies could discover the first irrefutable evidence of life beyond Earth.

New Models Predict ‘Slushy’ Interior Instead of a Liquid Ocean

In the new analysis, the team set out to characterize Titan’s potential subsurface ocean. Specifically, they wanted to understand the degree to which the moon stretches in response to Saturn’s gravitational pull and the duration of that stretching to determine the energy required. The team said this is critical because the moon’s stretching was the first major clue that led researchers to propose the possibility of an ocean back in 2008.

“The deformation we detected during the initial analysis of the Cassini mission data could have been compatible with a global ocean,” explained Baptiste Journaux, a University of Washington assistant professor of Earth and space sciences.

Still, the researcher explained, the moon’s “degree of deformation” depends on Titan’s internal structure.

“A deep ocean would permit the crust to flex more under Saturn’s gravitational pull, but if Titan were entirely frozen, it wouldn’t deform as much,” Journaux said.

Where previous models had supported the possibility of an ocean beneath Titan, the team’s newest models added a component not included in earlier versions: the timing of the deformations. The NASA-led team said that adding this variable was critical, since a closer analysis of the Cassini data showed that Titan’s most considerable deformation occurs roughly 15 hours after Saturn’s peak gravitational pull.

After adding this delay to the updated models, the team found that much more energy was being dissipated in Titan than previously estimated. This increased energy dissipation allowed them to make more informed inferences about the moon’s interior structure. Specifically, the long deformation delay indicated the interior structure was much thicker and viscous than simple water, since more energy was needed to cause a change in Titan’s shape.

“Nobody was expecting very strong energy dissipation inside Titan,” said the study’s leader, Flavio Petricca, a postdoctoral fellow at NASA’s Jet Propulsion Laboratory. “That was the smoking gun indicating that Titan’s interior is different from what was inferred from previous analyses.”

Journaux said the results suggest Titan’s icy surface has a thick, slushy layer beneath that requires more energy to deform than water does.

“Instead of an open ocean like we have here on Earth, we’re probably looking at something more like Arctic sea ice or aquifers,” the researcher explained.

Improved Odds of Finding Extraterrestrial Life?

When discussing the new analysis, Journaux said that a slushier Titan interior could have “implications for what type of life we might find.” For instance, a thicker or more viscous environment might lead to nutrients gathering in small areas of water rather than being dispersed throughout an entire global ocean. The team said this increased nutrient density could “facilitate the growth of simple organisms.”

The new model also suggested that these theoretical pockets of nutrient-dense water could reach 68 degrees Fahrenheit in highly localized, transient briny areas under specific conditions, influenced by Saturn’s gravity. The researchers said this warmer environment could also increase the chances of extraterrestrial life on Titan.

“The discovery of a slushy layer on Titan also has exciting implications for the search for life beyond our solar system,” Journaux said. “It expands the range of environments we might consider habitable.”

The team said their updated models suggest that future missions to Titan, such as NASA’s Dragonfly Mission, which includes Journaux as part of the team, may not discover “fish wriggling through slushy channels.” Instead, if a future mission does find signs of life on Saturn’s enigmatic moon, it may resemble the simpler life forms found on Earth’s polar ecosystems.

• The study “Titan’s strong tidal dissipation precludes a subsurface ocean” was published in Nature.
• Christopher Plain is a Science Fiction and Fantasy novelist and Head Science Writer at The Debrief. Follow and connect with him on X, learn about his books at plainfiction.com, or email him directly at christopher@thedebrief.org.

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19-12-2025 om 12:36 geschreven door peter  

Is AI already conscious? Evidence is 'far too limited' to definitively say artificial intelligence hasn't made the leap, expert claims

• READ MORE: There may already be a 'slightly conscious' AI out in the world 

By WILIAM HUNTER, SENIOR SCIENCE & TECHNOLOGY REPORTER

Artificial intelligence (AI) is already helping to solve problems in finance, research and medicine. 

But could it be reaching consciousness? 

Dr Tom McClelland, a philosopher from the University of Cambridge has warned that current evidence is 'far too limited' to rule this dystopian possibility out.

According to the expert, the only sensible position on the question of whether AI is conscious is one of 'agnosticism'.

The main problem, he claims, is that we don't have a 'deep explanation' of what makes something conscious in the first place, so can't test for it in AI.

'The best–case scenario is we're an intellectual revolution away from any kind of viable consciousness test,' Dr McClelland explained. 

'If neither common sense nor hard–nosed research can give us an answer, the logical position is agnosticism.

'We cannot, and may never, know.'

Artificial intelligence ( AI) is already helping to solve problems in finance, research and medicine. But could it be reaching consciousness? Pictured: Terminator Genisys 

AI companies are investing vast sums of money into pursuing 'artificial general intelligence' – the point at which AI can outperform humans in any area.

But as they work towards this goal, some also claim that increasingly sophisticated AI may develop consciousness.

This means AI could develop the capacity for perception and become self–aware.

While this idea might evoke visions of killer robots, Dr McClelland argues that AI could make this jump without us even realising, because we don't really have an agreed–upon theory of consciousness to begin with.

Some theories say consciousness is a matter of processing information in the right way, and that AI could be conscious if only it could run the 'software' of a conscious mind.

Others argue it is inherently biological, meaning AI can only imitate consciousness at best.

Until we can figure out which side of the argument is right, we simply don't have any basis on which to test for consciousness in AI.

In a paper published in the journal Mind and Language, Dr McClelland claims both sides of the debate are taking a 'leap of faith'.

We can't tell whether an AI, like in the sci–fi film Ex Machina (pictured), really has conscious experience or whether it is just simulating consciousness

Whether something is conscious radically changes the kinds of ethical questions we need to consider.

For example, humans are expected to behave morally towards other people and animals, because consciousness gives them 'moral status'.

In contrast, we don't have these same values towards inanimate objects, like toasters or computers.  

'It makes no sense to be concerned for a toaster's well–being because the toaster doesn't experience anything,' Dr McClelland explains.

'So when I yell at my computer, I really don't need to feel guilty about it. But if we end up with AI that's conscious, then that could all change.'

While that might make dealing with AI an ethical nightmare, the bigger risk may be that we start to consider AIs as conscious or sentient when they are not.

Dr McClelland explained: 'If you have an emotional connection with something premised on it being conscious and it's not, that has the potential to be existentially toxic.'

Worryingly, the philosopher says that members of the public are already sending him letters written by chatbots 'pleading with me that they're conscious'.

He added: 'We don't want to risk mistreating artificial beings that are conscious, but nor do we want to dedicate our resources to protecting the "rights" of something no more conscious than a toaster.'

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18-12-2025 om 23:07 geschreven door peter  

Scientists reveal what ancient Martians might have looked like - as NASA announces strongest evidence yet for life on the Red Planet

• READ MORE: NASA finds clearest sign of life on Mars

By WILIAM HUNTER, SENIOR SCIENCE & TECHNOLOGY REPORTER

Yesterday, NASA made the startling announcement that its scientists have uncovered the 'clearest evidence' yet for the existence of life on Mars.

Last year, NASA's Perseverance rover discovered that a dry riverbed just north of the Martian equator is dotted with rusty circular markings known as 'leopard spots'.

According to NASA administrator Sean Duffy, the space agency now believes these marks could have been left by ancient lifeforms which lived billions of years ago.

Now, scientists have revealed what these alien organisms might have looked like. 

Any life that evolved on Mars would have had to contend with harsh radiation, weak gravity, and temperatures that can swing between 20°C (70°F) in the day and -153°C (-225°F) at night. 

However, the scientists behind this groundbreaking research say that it is still possible for some forms of life to evolve. 

If there were life on Mars, it would almost certainly consist of very simple microbial organisms like bacteria.

In the unlikely case that more complex life did evolve somewhere on the Red Planet, it would need to develop special adaptations to survive this impossibly harsh climate.

NASA has revealed the 'clearest evidence' yet for the existence of life on Mars, as it claims that 'leopard spots' on Martian rocks could have been created by ancient microbes

Scientists say that Mars' Jezero Crater was once filled with water that would have been 'clement' for microbial life to develop. Pictured: AI-generated impression 

What did NASA find on Mars?

While investigating a region known as the 'Bright Angel', NASA's Perseverance rover spotted a group of unusual markings that resemble leopard spots.

Scientists call these spots 'reaction fronts', and they are points of contact where chemical and physical reactions have occurred in the past. 

Critically, Perseverance's on-board lab found that these spots contained two iron-rich minerals: Vivianite, which is found in decaying organic matter, and greigite, which is produced by microbes on Earth.

Dr Keyron Hickman-Lewis, an Earth scientist from Birkbeck, University of London and co-author of the NASA report, told Daily Mail: 'The kinds of organic–mineral associations observed at Bright Angel that are reported in this paper are known to be generated by microbial life on Earth, and so it is a very promising observation to see something so similar on Mars.

'Certainly, I think that this is the most compelling potential evidence of life on Mars found to date.'

The scientists can't yet rule out that these spots could be caused by non-biological processes, and Dr Hickman-Lewis says that this is not a 'smoking gun'.

However, after spending a year reviewing the evidence and looking for alternative explanations, the researchers are now confident enough to say that this could be a 'biosignature', an elusive sign which proves the existence of life.

These signs of life were found by the Perseverance rover in a region called 'Bright Angel'. Researchers say that chemicals found in the leopard spots are produced by biological processes on Earth 

Although Mars is now a barren desert, billions of years ago, it would have been covered with rivers and lakes that could have supported life 

Dr Hickman-Lewis adds: 'The Mars 2020 team does not use the term "potential biosignature" lightly.'

What would this life look like?

The potential signs of life were found in a region called Jezero Crater, an impact basin just north of the equator.

Although it is now a barren wasteland, billions of years ago, the Jezero Crater was filled with water that could have been home to life.

If life did exist in these waters, the most plausible explanation is that it was some sort of simple microorganism.

Dr Hickman-Lewis says: 'The environment in which these potential biosignatures were found seems to be a low-temperature water-rich setting and therefore very clement for microbial life.'

In their paper, published in Nature, the researchers suggest that microbes could have fed on the naturally occurring carbon, sulphur, and phosphorus in the rocks.

These microbes would have then 'excreted' the minerals which we now see as leopard spots.

NASA Administrator Sean Duffy (center) revealed that a sample collected by Perseverance is the 'clearest sign of life' on Mars ever found in 30 years

The Jezero Crater, where the potential signs of life were found, was once a river delta. Observations from orbiting spacecraft show patterns of sediment that are similar to those made by rivers on Earth.

Pictured: AI-generated impression 

As microbes fed on the carbon, sulphur, and phosphorus in the rocks, they might have released iron-rich chemicals which permanently stained the rocks to leave 'leopard spots'. Pictured: AI-generated impression 

The conditions on the surface would have been incredibly harsh, but the researchers say that life still could have eked out a simple existence.

Dr Sanjeev Gupta, an Earth scientist from Imperial College London and member of the research team, told Daily Mail: 'There was liquid water present at the surface at the time billions of years ago, so it was a habitable environment. 

'This would have been simple microbial life. We can say much more than that.'

Since we can only see the possible traces left behind by these microorganisms, it's difficult to know what they might have looked like or how they behaved.

However, it is possible to make some very general predictions based on parallels from Earth.

Professor Michael Garrett, an astronomer from the University of Manchester and Director of Jodrell Bank Centre for Astrophysics who was not involved in the study, told Daily Mail: 'Think of hardy bacteria, similar to terrestrial extremophiles that thrive in very salty, cold, or low-oxygen conditions here on Earth.

'Good analogues are the microbial mats in very salty lakes or microbes that live kilometres underground in Earth’s crust or in the high desert in Chile.

'These examples show us that life can be tough, minimalistic, and persistent even in places where surface conditions are brutal.'

Scientists say that the best parallels for what life might have looked like are the microbial mats that form in extremely salty lakes on Earth. Pictured: AI-generated impression 

It is unlikely that more complex life could have evolved since Mars' climate changed rapidly about a billion years after the first microbes could have appeared. This means complex organisms like animals probably didn't have time to develop.

Pictured: AI-generated impression 

Could more complex life have evolved? 

If these leopard spots really are biosignatures, then the researchers say it's unlikely that they only existed in one place.

Perseverance is currently studying very ancient rocks outside of the Jezero Crater to look for signs of more widespread life.

However, it is extremely unlikely that more complex life evolved anywhere on the Red Planet.

The researchers think that microbes emerged on Mars around the same time that life was getting started on Earth.

However, after about one billion years, Mars' climate began to change rapidly as solar winds stripped away its atmosphere - leaving the planet very cold and dry.

Professor Garrett says: 'Those harsh conditions on Mars after 1 billion years would put strong limits on body size and complexity of any lifeform.

'It took really complex life, like animals, another 3 billion years before they appeared on the Earth, where the conditions were much better to support energy-hungry complex life forms.'

If complex life had emerged, it would have needed to develop adaptations like thick skin or live underground to avoid the intense radiation of the Martian surface. Pictured: AI-generated impression 

On Earth, some of the first animals to evolve were simple filter feeders. Filter feeders also survive in extreme environments such as hydrothermal vents, so complex Martian life might have followed a similar evolutionary trajectory. Pictured: AI-generated impression 

Read More

• Earth-sized planet just 40 light-years away could have an atmosphere capable of sustaining life 

In the unlikely case that more complex life did evolve, Mars' harsh conditions would also put strong constraints on what it might look like.

'It would need to be adapted to survive the intense UV radiation from the Sun, extreme cold, and limited liquid water - we don’t really see complicated animal life in such environments,' says Professor Garret.

He adds: 'If they were present, they would need protection from the UV radiation from the sun – maybe a thick skin, for example, or perhaps mostly living under the Martian soil.'

That means complex life might resemble creatures on Earth that live in exceptionally harsh environments, such as desert-dwelling lizards or the simple filter-feeders that survive near hydrothermal vents.  

MARS: THE BASICS

Mars is the fourth planet from the sun, with a 'near-dead' dusty, cold, desert world with a very thin atmosphere. 

Mars is also a dynamic planet with seasons, polar ice caps, canyons, extinct volcanoes, and evidence that it was even more active in the past. 

It is one of the most explored planets in the solar system and the only planet humans have sent rovers to explore.

One day on Mars takes a little over 24 hours and a year is 687 Earth days.

Facts and Figures 

Orbital period: 687 days

Surface area: 55.91 million mi²

Distance from Sun: 145 million miles

Gravity: 3.721 m/s²

Radius: 2,106 miles

Moons: Phobos, Deimos

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18-12-2025 om 22:53 geschreven door peter  

The trailer for Disclosure Day has been released, providing a haunting glimpse at what first contact with an alien intelligence might be like.

In the clip, a newsreader, played by Emily Blunt, is seized by an extraterrestrial force and breaks into a chilling series of clicks and chirps.

But would aliens really sound like this?

Some of the world's leading experts have now revealed what noises life beyond Earth might really make – and they say Steven Spielberg's trailer might not be far off.

Although aliens might be vastly different to humans, scientists believe they probably still follow the same rules of evolution as life on Earth.

So, if a species evolves on an Earth–like planet, their means of communication might not be all that different from our own.

According to the experts, extraterrestrials really might use a spoken language just like Emily Blunt's bizarre clicking.

However, whether or not aliens will be friendly enough to spark up a conversation remains to be seen.

As the trailer for Steven Spielberg's Disclosure Day shows Emily Blunt seized by an extraterrestrial force, scientists have revealed how aliens would really communicate 

Dr Douglas Vakoch, chair of METI (Messaging to Extra–Terrestrial Intelligence) International, told Daily Mail: 'To guess how aliens will communicate with one another, we need to know how they encounter one another face–to–face.

'If, like humans, aliens live in an environment where it is vital to communicate even when it's too dark to see one another, then they too might communicate with something akin to human speech.'

We can't say exactly what that speech might sound like, but it's likely to resemble the variety of sounds we already hear on Earth.

'From the warbling of birds, to the trumpeting of elephants, to the chirping of crickets, [animal communications] all operate on the same principle,' says Dr Vakoch.

'Animals create sounds that vary over time.

'It's through the distinctive patterning of these manifold sounds that meaning arises.

'We would expect the same in any aliens who want to communicate with one another through the medium of air.'

Although the noises created by Emily Blunt in the Disclosure Day trailer seem bizarre, they are just as likely as any other type of sound.

While the alien messages in the trailer (pictured) seem bizarre, scientists say that alien life would probably use a spoken language to communicate if they lived on a planet with air 

In fact, Dr Vakoch points out that the clicks which 'sound eerily out of this world' to our ears are a defining feature of the Khoisan family of languages spoken in West Africa.

However, the researchers caution that the movie trailer doesn't get everything right.

The big problem is that we have no reason to believe aliens would use sound alone to communicate.

Mia Belle Parkinson, a PhD candidate at the UK Centre for Astrobiology, told Daily Mail: 'It's easy to think about intelligent alien beings that look and sound like us. 

'However, this would not be the case at all. What if these beings evolved on a world completely dissimilar to ours?'

Just as life at the bottom of the ocean has evolved to flash messages to each other with bioluminescence, aliens might have evolved with different means of communication. 

Mrs Parkinson adds: 'I think we shouldn't discount anything because the only example of life we have is Earth. And what if Earth truly is unique?'

So, in a scientifically accurate movie, Emily Blunt would be just as likely to start flashing a torch about or releasing noxious chemicals as to start chatting away.

Just as life at the bottom of the ocean has evolved to flash messages to each other with bioluminescence, aliens might have evolved with different means of communication. Pictured: Humboldt squid

Scientists say the biggest mistake in the trailer is that aliens wouldn't really communicate with humans using their own language. They are more likely to send a simple, repeating radio signal, which would be picked up by Earth's telescopes.

Pictured: The Green Bank Observatory radio telescope 

But where the trailer really goes wrong is with the idea that aliens would try to speak with us in their own language in the first place.

Dr Sheri Wells-Jensen, an astrobiologist from Bowling Green State University, told Daily Mail: 'The sounds here seem to have been strategically designed to freak out the average human filmgoer. But our first contact is likely to be a little less filmable.

'They will email us, not crawl out from under our beds.'

Due to the massive distance involved, any communication with aliens will require sending signals that could take millions of years to reach their destination.

That means first contact will likely come through a reliable, tried and tested means that has the highest likelihood of being recognised.

Dr John Elliott, a researcher at the University of St Andrews and Chair of the UK SETI (Search for Extraterrestrial Intelligence) Research Network, told Daily Mail: 'The scenario depicted here is a sensationalised fiction.

'Communication is most likely to take the form of a remote signal or beacon, which will manifest itself as detectable by radio or optical telescopes.

'If an intended communication for us, it will likely comprise, at first, repeated patterns or images, to provide us with clear evidence of intent from another intelligent civilisation.'

WHAT IS THE FERMI PARADOX?

The Fermi Paradox questions why, given the estimated 200-400 billion stars and at least 100 billion planets in our galaxy, there have been no signs of alien life. 

The contradiction is named after its creator, Italian physicist Enrico Fermi.

He first posed the question back in 1950.

Fermi believed it was too extraordinary that a single extra-terrestrial signal or engineering project has yet to be detected in the universe — despite its immense vastness. 

Fermi concluded there must a barrier that limits the rise of intelligent, self-aware, technologically advanced space-colonising civilisations.

This barrier is sometimes referred to as the 'Great Filter'.

Italian physicist Enrico Fermi devised the so-called Fermi Paradox in the 1950s, which explores why there is no sign of alien life, despite the 100 billion planets in our galaxy

If the main obstacle preventing the colonisation of other planets is not in our past, then the barrier that will stop humanity's prospects of reaching other worlds must lie in our future, scientists have theorised.  

Professor Brian Cox believes the advances in science and engineering required by a civilisation to start conquering the stars will ultimately lead to its destruction.

He said: 'One solution to the Fermi Paradox is that it is not possible to run a world that has the power to destroy itself.

‘It may be that the growth of science and engineering inevitably outstrips the development of political expertise, leading to disaster.'

Other possible explanations for the Fermi Paradox include that intelligent alien species are out there, but lack the necessary technology to communicate with Earth.

Some believe that the distances between intelligent civilisations are too great to allow any kind of two-way communication.

If two worlds are separated by several thousand light years, it's possible that one or both civilisations would become extinct before a dialogue can be established. 

The so-called Zoo hypothesis claims intelligent alien life is out there, but deliberately avoids any contact with life on Earth to allow its natural evolution. 

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18-12-2025 om 22:38 geschreven door peter  

Speculation around imminent UFO disclosure is intensifying, especially now with Steven Spielberg’s upcoming UFO film, Disclosure Day, has released its first trailer and the timing is raising eyebrows. Set for a June 12, 2026 release, the film explores a world on the brink of official extraterrestrial disclosure. 

The teaser follows a meteorologist (Emily Blunt) and a UFO whistleblower (Josh O’Connor) who insist the public has a right to know the truth. The film’s central question is chilling: If you were proven we’re not alone, would you be afraid? 

The idea of a real life “Disclosure Day” has circulated in UFO research circles for decades, referring to the moment governments finally confirm the existence of non-human intelligence. While no date has ever been confirmed, speculation is now surging. 

On Polymarket, a major prediction market, bets on “Trump declassifies UFO files in 2025?” have surged past $7 million, with odds jumping from just 6% in early December to an astonishing 98% by mid-month. UFO filmmaker Mark Christopher Lee suggests the sudden surge may point to insider knowledge close to the White House. 

This spike in interest follows the release of The Age of Disclosure, (read here), a documentary that reignited debate over government secrecy around UFOs. 

As Hollywood narratives, documentary findings, and political speculation converging, some observers view this as "predictive programming", a concerted effort by media to subtly prepare the public for a historic disclosure moment.

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18-12-2025 om 21:54 geschreven door peter  

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ever will.

The impending cosmic rendezvous – if you want to call it that, since 3I/ATLAS will still be pretty far away – has been anticipated for months ever since the strange visitor was first spotted in Earth's neighborhood. Since its discovery in our solar system in July, 3I/ATLAS has passed within the orbit of Mars and come within 130 million miles of the sun.

Now, the ancient space object is due to approach Earth – offering the world's scientists an unprecedented opportunity to study a comet that formed in an entirely different part of our Milky Way. Of course, the public may also have an interest in spotting the object that many sincerely believe could be an alien spaceship.

Want to know how you can track and glimpse 3I/ATLAS as it comes near Earth? Here's everything to know.

• 3I/ATLAS: NASA's Hubble telescope gets another look at interstellar comet 3I/ATLAS

What is 3I/ATLAS? Why scientists say it's an interstellar comet

The object known as 3I/ATLAS made news in July 2025 when it was confirmed to be the third object ever discovered originating outside Earth's solar system. When it was spotted, 3I/ATLAS was traveling 137,000 mph, according to NASA.

Observations of 3I/ATLAS' speed and trajectory confirmed to astronomers that it formed in another star system and was ejected into interstellar space – the region between the stars, according to NASA. For possibly billions of years, the comet has drifted on a journey from the general direction of the constellation Sagittarius in the center of the Milky Way that recently brought it into our solar system.

• Related video: Here’s everything you need to know about 3I/ATLAS (The Weather Channel

Though astronomers don’t yet know exactly how big 3I/ATLAS could be, estimates range from a few hundred feet to a few miles across, according to the European Space Agency. But data from the Hubble Space Telescope helped astronomers estimate the size of the comet’s solid, icy nucleus as anywhere from about 1,400 feet to 3½ miles in diameter.

Unlike comets bound to the sun's gravity, 3I/ATLAS is traveling on a hyperbolic orbit that eventually will carry it out of the solar system and back into interstellar space.

Are there photos of 3I/ATLAS? See all NASA images of comet

On Nov. 19, NASA released a trove of never-before-seen images of 3I/ATLAS that revealed new characteristics of the object.

A look at all of the photos NASA has released of 3I/ATLAS since its discovery, including detailed explanations of each, are available below.

Will 3I/ATLAS hit Earth? How close will it get?

The comet, which is not a danger to Earth, is projected to pass within about 170 million miles of our planet Dec. 19. That's nearly twice the distance of Earth to the sun and more than 700 times the distance of Earth to the moon.

Will you be able to see 3I/ATLAS from Earth? Where is it now?

Though 3I/ATLAS is not visible to the naked eye, viewers with even a small telescope can observe the comet in the predawn sky until spring 2026, according to NASA.

During the comet's closest approach to Earth, skywatchers looking east to northeast could catch the comet right under the star Regulus – one of the brightest stars visible to Earth – in the constellation Leo, according to NASA's December skywatching guide.

The agency's online simulation Eyes on the Solar System shows the location and path of 3I/ATLAS as it moves through our solar system.

"Look for observatories and skywatching events in your local area," Chelsea Gohd, a science communicator at NASA's Jet Propulsion Laboratory in Southern California, explained in a video.

Is 3I/ATLAS an alien spaceship? NASA leaders reject extraterrestrial conspiracy

The strange outsider's jaunt through Earth's cosmic neighborhood has sparked plenty of conspiracy theories.

One particularly infamous idea – put forth by a Harvard astrophysicist named Avi Loeb – is that 3I/ATLAS could be an alien spaceship. Though Loeb has conceded on the publishing platform Medium that the object is "most likely a comet of natural origin," he has not ruled out the possibility that it could be extraterrestrial technology.

NASA authorities, though, have sought to put that notion to rest.

In a social media exchange with reality TV star Kim Kardashian in October, NASA Acting Administrator Sean Duffy affirmed: "No aliens. No threat to life here on Earth."

Nicola Fox, associate administrator of NASA's Science Mission Directorate, also rejected the alien conspiracy theory at a news conference in November, saying, "We certainly haven't seen any technosignatures or anything from it that would lead us to believe it was anything other than a comet."

Hubble, James Webb among fleet of instruments to study comet

Scientists who are eager to study planetary material that formed from another star have for months trained ground and space telescopes on 3I/ATLAS. The Hubble Space Telescope and the James Webb Space Telescope have returned images and data from the comet.

Hubble's latest sighting of the interstellar object came Nov. 30, NASA said in a December blog post.

At the time, 3I/ATLAS was about 178 million miles from Earth. Because Hubble was tracking the comet as it moved across the sky, stars in the background appear as streaks of light, NASA said.

• Eric Lagatta is the Space Connect reporter for the USA TODAY Network. Reach him at elagatta@gannett.com
• This article originally appeared on USA TODAY: Where is 3I/ATLAS now? How to track interstellar comet as it nears Earth

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17-12-2025 om 22:37 geschreven door peter  

Lost Egyptian temple is unearthed 4,500 years after it was built in honour of the sun god Ra

• READ MORE: Egypt restores colossal statues of Amenhotep III after 3,200 years

By JONATHAN CHADWICK, ASSISTANT SCIENCE & TECHNOLOGY EDITOR 

Archeologists have unearthed the remains of a 4,500-year-old Egyptian temple where visitors would sky-gaze while on the roof. 

The building's remains were found at Abu Ghurab, about nine miles south of the Egyptian capital Cairo and five miles west of the River Nile. 

A 'huge' building exceeding 10,000 sq ft (1,000 square metres), the temple was dedicated to the deity Ra, the sun god and father of all creation. 

It was constructed on the orders of Pharaoh Nyuserre Ini, who reigned from approximately 2420 BC to 2389 BC during Egypt's Fifth Dynasty.  

According to Egypt's Ministry of Tourism and Antiquities, it had a public calendar of religious events carved into blocks and a roof for astronomical observation.

Photos show several well-persevered elements recovered from the site, including wall fragments featuring hieroglyphics and shards of pottery. 

'With a unique architectural plan, it makes it one of the largest and most prominent temples of the valley,' the ministry said in a translated Facebook post. 

'Carved stone fragments of fancy white limestone are also found, alongside large quantities of pottery.'  

The lost Egyptian temple about 10 miles south of Cairo has been unearthed 4,500 years after it was built in honour of the sun god Ra

The roof of the valley temple was probably used for astronomical observations, according to archaeologists from Italy who led the expedition 

The site was identified as early as 1901 by the German archaeologist Ludwig Borchardt, but groundwater levels were too high for excavations to be carried out.

But the latest excavations, which commenced in 2024, have uncovered more than half of the temple, previously buried under sediment, the ministry said. 

Work there has revealed the entrance of the temple, including the original entrance floor and the remains of a circular granite column, likely part of the entrance's porch. 

Portions of the original stone cladding of the corridor walls have also been unearthed, as well as a number of architectural elements such as granite shingles and doors. 

The mission has also discovered the remains of an internal staircase leading to the roof in the northwestern part of the temple – likely a secondary entrance – and a slope believed to have linked the temple to the Nile or one of its branches.

'The roof of the valley temple was probably used for astronomical observations but not for the celebration of the festivals,' Massimiliano Nuzzolo, an archaeologist and excavation co-director, told Live Science. 

Meanwhile, the lower level was 'used as a landing stage for the boats approaching it from the Nile or, more likely, from one of its side channels'. 

The expedition also found a distinctive collection of artifacts, including two wooden pieces of the ancient Egyptian 'Senet' game, resembling modern chess.

The ancient Egyptians enjoyed playing board games, archeological remains of playing piece fragments show, including 'Senet' resembling modern chess 

Photo show several well-persevered elements recovered from the site, including wall fragments featuring hieroglyphics and shards of pottery

'The sanctuary thus became a dwelling and one of the favourite local [games] was probably playing senet,' Nuzzolo added. 

Preliminary studies indicate that the temple, after ending its role as a place of worship, was transformed into a small residential area inhabited by locals.

Further excavation work at the site could reveal more about its history before it was smothered by sediment from the Nile. 

'The mission is preparing to continue its work in the coming seasons to explore more elements of this important archaeological site,' the ministry statement added. 

'Removing the curtain on new details [will] add much to understanding the origin and evolution of the Sun Temples in ancient Egypt.' 

Known for his devotion to the sun god, Pharaoh Nyuserre Ini was the sixth of nine kings who reigned during Egypt's Fifth Dynasty, which ruled Egypt for about 150 years. 

The Fifth Dynasty pharaohs closely identified themselves with Ra, building temples in the deity's honour. 

Hieroglyphic inscriptions found in the valley temple include a public calendar detailing religious events

The mission has first succeeded in uncovering more than half the temple, where a huge building exceeding 1000 square meters appeared

According to the belief at the time, Ra was the king of the deities and the father of all creation, as well as the deity who governed the actions of the sun. 

The Egyptians were an agricultural society living in a desert, so not surprisingly, the sun – and thereby Ra – was an integral component of their cosmos, guiding their thoughts and actions. 

Egyptians in this region relied on the sun and the Nile and the rich, fertile soil that surrounded the river for sustenance, such as bread, beer and vegetables. 

Beer was not simply a staple food for the living, but 'a symbol of status and authority', important in elite feasting and burial rituals 'in this life and the next'.  

It would have been 'a thick porridge' – likely cloudy and sweet with a low alcoholic content – that was mostly made from wheat, barley and grass. 

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17-12-2025 om 22:13 geschreven door peter  

Pink fog descends over the UK: Brits are baffled as the skies turn rose-coloured due to rare weather phenomenon

• READ MORE: Confused Brits question the strangely balmy December weather

By JONATHAN CHADWICK, ASSISTANT SCIENCE & TECHNOLOGY EDITOR 

Brits have been left baffled by a rare weather phenomenon that has turned the December skies a brilliant rose colour. 

'Pink fog' occurs when sunlight passes through fine material such as dust or moisture in the air, according to meteorologists at the Met Office. 

'When the sunlight comes through lots of layers, it filters out the blue and scatters it, leaving the red to come through,' said Met Office spokesman Graham Madge.

'It’s effectively a sunrise filtered through the atmosphere and through the fog, giving it that pinkish hue.' 

On social media, Brits posted their snaps of the spectacular sight, which has blanketed the sky in regions across the southeast of England. 

TikTok user @crazytailsuk insisted that their video clip had 'no filter' as the sky appeared as a brilliant Barbie-style shade. 

One person replied to say 'it was soooo pink this morning in Hertfordshire', while another wrote: 'Sunrise pink fog…….. I would have been thrilled.' 

Another TikToker joked that she was 'up in the mountains' and needed to be rescued as she walked down a residential street. 

No filter: On social media, Brits posted their snaps of the spectacular sight, which depends on local conditions

'Pink fog' occurs when sunlight passes through fine material such as dust or moisture in the air, according to meteorologists at the Met Office

This shot from west London on Wednesday morning (December 17) showed the bizarre pink fog over traffic on Wednesday morning 

According to Mr Madge, pink fog – effectively a sunrise filtered through the atmosphere – depends on local conditions and can be easily missed.  

One January morning last year, a 'surreal' pink fog hit parts of British Columbia in Canada, according to a CBC report. 

Darius Mahdavi, climate specialist and science communicator at the network, called pink fog 'an incredibly rare phenomenon'. 

'Sunlight has to pass through more layers of atmosphere – or in this case, the suspended water droplets that make up the fog,' he said.

'Some of the colours, especially the blues, [then] get scattered out, leaving the reds and oranges and pinks to reach your eyes.

'But the conditions have to be just right and are near impossible to predict, so it's really a matter of being in the right place at the right time.' 

At the time, one Kelowna resident said it lasted somewhere between 10 and 15 minutes, rising up into the sky then coming down before dissipating into a normal grey. 

A pink fog previously covered parts of England's southwest in February 2019, including Somerset and Shropshire. 

Pink fog refers to a natural atmospheric phenomenon where sunlight filtering through particles (dust, moisture) scatters blue light, leaving reds and pinks. Pictured, Dunsden, Oxfordshire this morning (December 17) 

According to an expert at the Met Office, pink fog is 'effectively a sunrise filtered through the atmosphere'. Pictured, Dunsden, December 17

The beautiful natural occurrence provides a stunning - and rare - photo opportunity for early morning photographers and dog walkers. Pictured, Dunsden, December 17

Mr Madge added that the spectacular sight would have likely been seen by a lucky few who were in the right place at the right time. 

'It will depend on the local conditions, and those conditions were optimal for a few lucky people to have witnessed it,' he told the Sun at the time. 

According to today's outlook from the Met Office, London and the southeast endured a 'foggy and frosty start', colder than previous mornings recently.  

But freshening winds and increasing cloud cover through the morning are allowing the fog and frost to slowly clear.

There is, however, a chance of rain in the afternoon and this evening is set to be cloudy with the odd outbreak.

Rain and fog could cause flooding and travel disruption on Wednesday in parts of south Wales and south-western, central and eastern England. 

The Met Office said: 'A period of rain, heavy at times, especially over high ground, will move slowly east across this region during Wednesday. 

'Coming off the back of recent very wet weather, some travel disruption and flooding is likely across much of the warning area.' 

The rarely-seen weather phenomenon depends on local conditions and can be easily missed. Pictured, Dunsden, December 17

According to today's outlook from the Met Office, London and the southeast endured a foggy start on Wednesday which triggered the effect 

Also this week, meteorologists have confirmed that it has been unseasonably warm in Britain in the lead-up to Christmas. 

In some parts of the country, temperatures have risen as high as 15°C (59°F), while conditions have rarely fallen below freezing. 

Jim Dale, senior meteorologist at British Weather Services and co–author of 'Surviving Extreme Weather', told Daily Mail that the UK is currently facing an unusually energetic jet stream.

This is the system of fast–moving air flowing about five to seven miles above the ground that steers weather fronts and low–pressure systems towards the UK.

Since November, Mr Dale says that the jet stream has been 'more or less over us', causing a wave of warm, wet, and windy weather.

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17-12-2025 om 21:57 geschreven door peter  

3I/ATLAS Still Shows an Anti-Tail, as it Gets Closer to Earth

Avi Loeb

An image of 3I/ATLAS, taken on December 13, 2025 at 21:30:26 UTC with a 0.26-meter telescope in Rayong, Thailand. The field of view spans 0.72 million kilometers on a side at the distance of 3I/ATLAS from Earth, 271 million kilometers. The bottom three panels show the projected brightness map in false colors and black & white, respectively. The top panel shows a rotational-gradient brightness map with a Larson-Sekanina filter. A prominent anti-tail, uncommon for comets, points in the direction of the Sun towards the lower left.

(Image Credit: Teerasak Thaluang)

As of today, December 14, 2025, the interstellar object 3I/ATLAS is at a distance of about 270.5 million kilometers from Earth. Its images are delayed by a quarter of an hour, as it takes light from 3I/ATLAS 15 minutes to reach us. On December 19, 2025, 3I/ATLAS will get closest to Earth at a perigee distance of 268.9097 (+/-0.0060) million kilometers.

The latest image of 3I/ATLAS was taken by Teerasak Thaluang on December 13, 2025 at 21:30:26 UTC with a 0.26-meter telescope in Rayong, Thailand (as reported here). The rotational-gradient brightness map shows a prominent anti-tail, uncommon for comets, pointing in the direction of the Sun.

Whereas an anti-tail had been seen for solar system comets as a temporary perspective effect when the Earth crossed the comets’ orbital plane, this is clearly not the case with 3I/ATLAS. The anti-tail was apparent in the first Hubble Space Telescope image, taken on July 21, 2025, when 3I/ATLAS was approaching the Sun from a geocentric distance of 2.98 times the Earth-Sun separation (AU) — as reported here and analyzed here, and was also apparent in the second Hubble image taken on November 30, 2025, when 3I/ATLAS was receding away from the Sun at a distance of 1.91 AU from Earth — as reported here. The anti-tail was also apparent in thousands of images taken in between these dates.

The anti-tail of 3I/ATLAS is therefore not a perspective effect. It is a real physical jet, with a glow extending from 3I/ATLAS towards the Sun. Its nature is a mystery because gas and micrometer-dust particles are expected to be pushed away from the Sun by solar radiation pressure and the solar wind, creating the appearance of a tail — as routinely seen in solar-system comets. There was no mention of this mystery at the NASA press conference about 3I/ATLAS on November 19, 2025 (accessible here).

To explain the physics of the anti-tail of 3I/ATLAS, I have written three scientific papers. The first two of these peer-reviewed papers, co-authored with Eric Keto (accessible here and here), associate the anti-tail with scattering of sunlight by fragments of ice shed from the sun-facing side of 3I/ATLAS. These tiny ice particles evaporate before they get pushed back significantly by the solar radiation pressure and so they never appear as a conventional cometary tail. The third (single-authored) paper, published on December 8, 2025 here, associates the anti-tail with a swarm of objects that lag behind 3I/ATLAS because of its non-gravitational acceleration away from the Sun (as reported by JPL Horizons here). Analysis of the latest Hubble image could potentially favor one of these explanations.

By recognizing anomalies, we can learn something new. By ignoring them, we remain ignorant.

ABOUT THE AUTHOR

Avi Loeb is the head of the Galileo Project, founding director of Harvard University’s — Black Hole Initiative, director of the Institute for Theory and Computation at the Harvard-Smithsonian Center for Astrophysics, and the former chair of the astronomy department at Harvard University (2011–2020). He is a former member of the President’s Council of Advisors on Science and Technology and a former chair of the Board on Physics and Astronomy of the National Academies. He is the bestselling author of “Extraterrestrial: The First Sign of Intelligent Life Beyond Earth” and a co-author of the textbook “Life in the Cosmos”, both published in 2021. The paperback edition of his new book, titled “Interstellar”, was published in August 2024.

{ https://medium.com/ }

17-12-2025 om 00:00 geschreven door peter  

16-12-2025 om 23:37 geschreven door peter  

Steven Spielberg finally reveals 1st trailer for new UFO film 'Disclosure Day', and now we're terrified

{ https://www.space.com/entertainment }

16-12-2025 om 23:21 geschreven door peter  

The Real-Life Influence of Mythical Creatures in Ancient Cultures

Gary Manners

For centuries, many ancient civilizations were truly fascinated by mythical beings and beliefs that they thought were nothing short of real. In fact, mythical creatures are present in virtually every ancient culture, and span from believable to those bordering something truly alien. From dragons, sea monsters, and griffins, all the way to fauns, centaurs, and minotaurs, these fantastical beings usually mirrored the fears, beliefs, and aspirations of ancient societies. In this way, they often shaped their literature, art, and lifestyles, showing how ideals can be embodied in things imagined. But could there be a real-life origin to these beliefs and creatures? Could they have been inspired by real-world phenomena, or simply misinterpreted natural events?

• Largest Jade Dragon Unearthed at Hongshan Culture Mound
• Ye Olde Dragon Slayer: The Legend of St George (Video)

Guardians, Destroyers, Prophets

Amongst the most enduring mythical creatures, which were present in so many ancient cultures, are the dragons. Appearing frequently in folklore and tales from China in the east to Europe in the west, and elsewhere, these mighty creatures continue to captivate even today, in the modern age. What makes them so popular, and how did they influence cultures? In China for example, and in East Asia in general, where civilizations flourished for thousands of years, the dragon (known as lóng (loong)) usually symbolized wisdom, wealth, prosperity, and power. Usually depicted as serpentine and brooding, they were connected with the water, rain, fertility, and good fortune in general. Their influence was so great that even emperors adopted them as symbols of divine authority and might. Their garments, thrones, and palaces were decorated with flowing dragons, both carved and painted. In this way, the dragons became intermediaries between the heavens and the earth.

• Marduk: Babylonian King of Gods and Reportedly Liberator of the Jews
• The Supernatural Beliefs of Medieval People—From Elves and Fairies to Abductions and the Undead

Long dragon. Fragment of the Nine Dragon Wall in Forbidden City, Beijing

(Jakub Hałun/CC BY-SA 4.0)

In stark contrast, however, the dragons of the Western world were not benevolent creatures. Instead, they were often seen as destructive and greedy, hoarding great treasures and devastating the peaceful countryside. In many European legends, heroes arose to slay dragons and put an end to their devastation. Notable such legends are Siegfried in the German heroic tales, or Saint George the Dragonslayer. Their victories over dragons symbolize the triumph of good over evil and the human conquest of chaos. These contrasting perceptions highlight cultural differences in humanity’s relationship with nature: Eastern traditions revered balance, while Western myths often portrayed nature as a force to be subdued.

Saint George and the Dragon by Gustave Moreau, 1889/1890.

(Public Domain)

The myth of the dragons often had real-life origins. In Europe, the ancient cultures personified the destructive nature of the summer sun, which caused droughts and crop failures, with dragons - fire breathing monsters. Their appearance, which endures to this day, could have been inspired by fossils of large prehistoric animals, or through exaggerated tales of encounters with crocodiles and monitor lizards. Early mapmakers placed dragon illustrations in unexplored territories, reinforcing fears of the unknown and cautioning against venturing into uncharted lands.

The Fear of the Unknown

Mythical creatures in the ancient world often influenced real-life experiences as symbols of danger or something to be cautious about. This often pertains to early maritime navigation, as the oceans - and the lands beyond them - were often perilous to explore. This gave birth to the myths of sea monsters. In imaginations of ancient maritime cultures, these beings were aplenty, symbolizing the dangers of the sea. In Greek mythology, for example, there were creatures such as Scylla and Charybdis, posing as major threats to all sailors, just as seen in the Odyssey. These tales, however, were reflected in real life. They highlighted themes of perseverance and ingenuity, teaching mariners to respect the unpredictable power of the ocean and to, paradoxically, motivate them to persevere in maritime exploration.

Painting of Odysseus's boat passing between mythical creatures, the six-headed monster Scylla and the whirlpool Charybdis. Scylla has plucked Five of Odysseus's men from the boat. The painting is an Italian fresco.

(Public Domain)

Such myths existed even in the murky ages before the Greeks arose. In Mesopotamian mythology, the sea monster Tiamat represented the primordial chaos, the salt water, and the creation. Her defeat by the god Marduk, as recounted in the epic tale Enūma Eliš, marked the establishment of order and the birth of the cosmos. Similarly, the Leviathan in Hebrew scriptures symbolized divine power and judgment, underscoring humanity’s vulnerability in the face of the divine.

There is no doubt that many of these sea monster myths were inspired by real-life encounters with large marine creatures. For example, ancient mariners who sighted giant squids or the enormous oarfish, might have described mighty krakens. Similarly, sightings of whales, walruses, or narwhals could have sparked the imaginations of any who saw them. But ultimately, they served as cautionary tales for would-be navigators, and influenced ancient cultures to preserve their own territories, instead of venturing into the great unknown.

Imagination Running Wild

To better convey real-life lessons and concepts, ancient mythical creatures were often larger-than-life, extraordinary beings, with inexplicable and impossible features. How else were the people to fear them and, after all, believe in their existence? And so it was that unique, “hybrid” creatures, which combined the elements of several beings, came to play a significant role in ancient art and belief. A notable example is the griffin, a mythical creature with origins in Ancient Greece. With the body of a lion and the head and wings of an eagle, this mighty being symbolized strength and vigilance. Revered in Persian, Greek, and Scythian cultures, griffins were often depicted guarding treasures or sacred sites. Their protective role extended to royal power, as seen in gold artifacts adorned with griffin motifs. Interestingly, the Greeks fervently believed that these creatures actually existed, particularly in the northern lands, amongst the Scythians.

A similar creature is the chimera, also originating in Greece, which had the heads of a lion, goat, and serpent. This abhorrent being represented chaos and danger, serving as a warning in real-life concepts. Mythical heroes such as Bellerophon, who defeated the chimera with the help of the horse Pegasus, embodied the virtues of bravery and resourcefulness. In this way, these mythical beings served as a way to promote good virtues in real life, contributing to an orderly and noble society. By reinforcing cultural values and providing tales of human triumph over evil and hardship, these creatures influenced men to always strive to do better, and to fight and protect what was their own.

Such creatures were present in other major cultures of the ancient world, usually having protective roles. In Ancient Egypt, the lion-human hybrids - the Sphinxes - guarded temples and protected the people, while in ancient Assyria the similarly-looking Lamassu stood proudly as sentinels near city gates. By blending artistry with spirituality, these majestic beings conveyed a sense of awe, fear, and inspiration, ensuring protection and instilling fear in all opponents. As such, they were an effective deterrent of enemies, many of whom believed in the wrath of these guardian beings. 

Cast from the original in Iraq, this is one of a pair of five-legged lamassu with lion's feet in Berlin 

(Lusitana/CC BY-SA 3.0)

Could These Beings Have Origins in Nature?

There are many popular theories indicating that the mythical creatures of ancient history have origins in something natural, or some real-world phenomena. It is possible that ancient peoples, having discovered fossils and large animal bones, having no knowledge about prehistoric creatures, crafted imaginary tales of giants, dragons, and centaurs. A notable example is the theory that Protoceratops dinosaur fossils found in Central Asia could have influenced the legends of the griffins. Their skeletons resemble winged creatures, and the people could simply have built their myths upon such remains. There are those, however, who dispute this theory.

“Invoking a role for dinosaurs in griffin lore, especially species from distant lands like Protoceratops, not only introduces unnecessary complexity and inconsistencies to their origins, but also relies on interpretations and proposals that don’t withstand scrutiny. It is important to distinguish between fossil folklore with a factual basis - that is, connections between fossils and myth evidenced by archaeological discoveries or compelling references in literature and artwork - and speculated connections based on intuition. There is nothing inherently wrong with the idea that ancient peoples found dinosaur bones and incorporated them into their mythology, but we need to root such proposals in realities of history, geography and paleontology. Otherwise, they are just speculation.”

Dr. Richard Hing, University of Portsmouth (Source)

Encounters with unfamiliar animals also fueled myths. The narwhal’s tusk, often mistaken for a unicorn horn, contributed to the enduring legend of the unicorn. Similarly, the exaggerated accounts of sailors encountering manatees may have given rise to mermaid stories. These examples highlight how human curiosity and imagination transformed natural observations into fantastical narratives. We can only imagine the shock and awe an ancient person could have experienced upon seeing an exotic animal. Ancient Greek explorers, venturing into Africa or Asia, could have seen elephants, rhinoceroses, giraffes, pythons, crocodiles, or any other odd-looking animals and - being in disbelief - instantly characterize them as beings of myth and legend.

A traditional depiction of the griffin

(Public Domain)

The Influence of Mythical Creatures on Art and Literature

Just one glimpse at ancient art of major civilizations, such as the Greeks, the Minoans, the Romans, or Egyptians, is enough to tell us that their myths were very important to them. From pottery to frescoes, to complex sculptures and architecture, the mythical creatures of old are represented everywhere. And they weren’t mere decorative elements, but served as cultural symbols as well. A notable example is the famed Ishtar Gate of Babylon, adorned with dragons and bulls, which clearly showed the integration of mythical creatures into monumental architecture.

Epic literature was likewise heavily influenced by mythology, with many references to mythical beings. The Sumerian Epic of Gilgamesh features Humbaba, a guardian monster, while Beowulf recounts the hero’s battles with the monstrous Grendel and a dragon. These stories not only entertained but also imparted moral lessons and preserved cultural values. Ancient Greek literature was likewise heavily steeped in mythology, containing many encounters with beings such as centaurs, unicorns, minotaurs, the Medusa, the cyclops, and many others. And in all of these tales a unified message was contained - the man’s fight against the forces of evil.

Humbaba, demon guardian of the Cedar Forest.

(Rama/CC BY SA 3.0)

And even today, real life is influenced by ancient mythical creatures. Popular movies often contain many of these creatures, and old legends still serve as inspiration, centuries later. Dragons, elves, giants, unicorns, and phoenixes remain a staple in literature, films, and art, embodying themes of power, purity, and resilience. Their enduring appeal clearly reflects humanity’s deep-seated fascination with the unknown and the extraordinary, which endures for thousands of years.

Myth and Reality, Entwined

In ancient cultures, mythical creatures were more than imaginary beings, they were mirrors of human fears, hopes, and beliefs. Whether as symbols of divine power, representations of natural phenomena, or lessons in morality, these creatures shaped the cultural and spiritual landscapes of civilizations. And as we explore their origins and significance, we gain a richer understanding of the ancient world and the timeless power of myth.

Looking back at our own histories, of our respective nations, we can quickly stumble upon odd myths and unique creatures that have far-reaching roots. All that is left is to ask ourselves - how did they influence or inspire us?

• Top image: Myth of Tiamat the primordial goddess of the ocean rising from the waters ancient Mesopotamian myth swirling sea serpents chaos and creation.
• Source: Stock Source/Adobe Stock

By Aleksa Vučković

References

RELATED VIDEOS

{ https://www.ancient-origins.net/ }

16-12-2025 om 22:54 geschreven door peter  

Bermuda Mystery

The 181-island chain of Bermuda has long puzzled geologists. The oceanic crust beneath the islands sits at a higher elevation than the surrounding seafloor due to a mysterious swell. Typically, volcanic activity would account for such uplift, yet geologists believe the region hasn’t experienced an eruption in 31 million years—a discrepancy that has fueled decades of speculation.

The newly discovered structure may help resolve that puzzle. Despite the extreme age of Bermuda’s last known eruption, the massive rock layer suggests that ancient volcanic activity could have injected a significant volume of mantle material into the crust. That slab now appears to be pushing the ocean floor upward by nearly 1,700 feet relative to nearby areas.

Similar mantle quirks may explain the formation of other islands worldwide. At certain locations known as mantle hotspots, rising plumes of hot material generate volcanic activity that builds islands from below—Hawaii being a prime example. In most cases, however, the crust eventually moves away from the hotspot, causing the uplift to subside over time.

Bermuda’s uplift, persisting for more than 31 million years, defies that pattern. What exactly is occurring beneath the island remains the subject of active debate.

Imagining the Bermuda Rock

The team behind the discovery, spread across multiple U.S. institutions, including Yale and Smith College, reported their findings in a new paper in Geophysical Research Letters. They relied on seismic data to make their discovery, drawing from a seismic station located on Bermuda, which collected the data by observing large earthquakes occurring at great distances from the island. 

These observations allowed scientists to image the Earth below Bermuda to a depth of 31 miles. Changes in the signal received as the tremors reached Bermuda enabled the teams to identify the anomalous rock layer, which varied in density, thereby altering the seismic waves.

Earlier research on Bermuda’s geology revealed that the archipelago’s ancient lava was low in silica, indicating that it was produced from high-carbon rock. Further analysis of the material’s zinc content revealed that the lava originated deep in the mantle. Geologists believe that the rock originally entered the mantle during the formation of the Pangea supercontinent some 900 to 300 million years ago.

Understanding Island Formation

Although these geological events occurred long ago, the Atlantic Ocean itself is relatively young, forming only after the ancient supercontinent of Pangea broke apart. In contrast, the Indian and Pacific oceans predate Pangea, which may explain why island chains such as Hawaii have very different rock compositions.

Studying an outlier like Bermuda offers researchers valuable insights into rare geological processes. It also offers a useful comparison point for more typical island-forming environments, helping geologists understand the full range of ways Earth’s crust can evolve over vast timescales.

Going forward, the team now hopes to identify other islands with comparable anomalies to determine whether Bermuda is truly unique or if it represents the first offering in a wave of similar unique geological discoveries.

The paper, “Zinc Isotope Constraints on the Cycling of Carbon in the Bermuda Mantle Source,” appeared in the Geophysical Research Letters on September 15, 2025.

• Ryan Whalen covers science and technology for The Debrief. He holds an MA in History and a Master of Library and Information Science with a certificate in Data Science. He can be contacted at ryan@thedebrief.org, and follow him on Twitter @mdntwvlf.

RELATED VIDEOS

 { https://thedebrief.org/category/science/ }

16-12-2025 om 22:33 geschreven door peter  

The Sun’s magnetic field controls its flare activity and, consequently, magnetic storms on Earth. However, it has a very complex structure. Recently, scientists have used artificial intelligence to map it.

Features of measuring the Sun’s magnetic fields

Researchers at the University of Hawaii’s Institute for Astronomy (IfA) are helping to change the way scientists study the Sun. A team led by the University of Hawaii has developed a new artificial intelligence (AI) tool that can map the Sun’s magnetic field in three dimensions with unprecedented accuracy, supporting research related to the Daniel K. Inouye Solar Telescope built and managed by the NSF National Solar Observatory (NSO) on Haleakalā.

“The Sun is the most powerful source of space weather that can affect everyday life on Earth, especially now that we rely so heavily on technology,” said Kai Yang, a postdoctoral researcher at IfA who led the work. “The Sun’s magnetic field causes explosive phenomena such as solar flares and coronal mass ejections. This new technique helps us understand what causes these phenomena and improves space weather forecasts, allowing us to warn of dangers earlier in order to protect the systems we use every day.”

The Sun’s magnetic field controls eruptions that can disrupt satellites, power grids, and communications on Earth. However, this field is difficult to measure, which complicates the creation of accurate maps. Instruments can show how the field tilts, but not whether it is directed toward or away from us, like when you look at a rope from the side and don’t know which end is closer.

Another problem is height. When scientists look at the Sun, they see several layers at once, making it difficult to determine how high each magnetic structure is. Sunspots complicate this task because their strong magnetic fields bend the surface downward, creating a depression.

Discovery based on artificial intelligence and a 3D map of the Sun’s magnetic field

IfA researchers, in collaboration with the National Solar Observatory and the NSF National Center for Atmospheric Research High Altitude Observatory, have created a new machine learning system that combines real data with fundamental laws of physics. Their Haleakalā Disambiguation Decoder algorithm is based on a simple rule: magnetic fields form loops and do not begin or end. Based on this, artificial intelligence can determine the true direction of the field and estimate the correct height of each layer.

This method works well on detailed computer models of the Sun, including quiet regions, bright active regions, and sunspots. Its accuracy is particularly useful for understanding high-resolution images obtained with the Daniel K. Inovie Solar Telescope.

Thanks to this new machine learning tool, the Daniel K. Inouye Solar Telescope can help scientists create a more accurate 3D map of the Sun’s magnetic field. It also reveals related features, such as vector electric currents in the solar atmosphere, which were previously very difficult to measure. Together, this gives us a clearer picture of what causes powerful solar flares.

Thanks to these achievements, researchers can see the Sun’s magnetic landscape more accurately and improve predictions of solar activity, which affects life on Earth.

• According to phys.org

• Posted in News, Science

{ https://universemagazine.com/en/articles-en/ }

16-12-2025 om 22:19 geschreven door peter  

The 'three norths' have left England! Once-in-a-lifetime alignment of true, magnetic, and grid north moves into the North Sea - three years after they combined in the country for the first time since records began

• READ MORE: Unravelling the mystery of the giant 'scar' cutting across Scotland

By JONATHAN CHADWICK, ASSISTANT SCIENCE & TECHNOLOGY EDITOR 

After a three-year journey together through the heart of the country, the 'three norths' have left England. 

The historic triple alignment of 'true', 'magnetic' and 'grid' north – the three definitions of what north is – met on the south coast of Dorset back in November 2022 before travelling northwards.

On December 13, 2025, the alignment left England at Berwick-upon-Tweed and moved into the North Sea, say experts at the British Geological Survey (BGS). 

It will reach Scotland in a few months before eventually leaving the British National Grid – but for how long exactly is unknown. 

This alignment – the first here since records began – has been called a 'once-in-a-lifetime occurrence' as it may be several hundred years before it comes to Britain again.

'It's been a privilege to be able to observe this phenomenon over the past few years,' said Dr Ciarán Beggan, geophysicist at BGS.

'Although part of geospatial history, there is no impact for navigators, pilots and captains once the alignment leaves.' 

Although the concept of 'north' may seem straightforward, there are actually three definitions –  true north, magnetic north and grid north. 

This map displays a series of locations along the alignment line, from Langton Matravers in November 2022 to Berwick-upon-Tweed this month 

True north is the direction to the geographic north pole, while grid north is where the vertical blue lines shown on Ordnance Survey (OS) maps converge. 

Meanwhile, 'magnetic north' is the direction that a compass needle points as it aligns with the Earth's magnetic field – controlled by molten iron deep down in Earth's core.

For just over three years, there has been a point in England where the three versions of north have aligned (as of Saturday this point has entered the North Sea).

At this location, a compass, an Ordnance Survey map and the Earth's axis would all have been aligned with each other – and in agreement on which way was north. 

The historic alignment started at Langton Matravers, west of Swanage in Dorset in November 2022 before heading up into Devizes in Wiltshire in May 2023. 

It then passed through Lower Dowdeswell in Gloucestershire in September 2023, Woodgate Valley Country Park in Birmingham (January 2024), Leek in Staffordshire (May 2024) and Hebden Bridge in West Yorkshire (October 2024). 

By April 2025 it reached Eggleston in the North Pennines, followed by Flotterton in Northumberland in August and Berwick-upon-Tweed, England's northernmost town, in December.

This 'special line' where true north and grid north align is the 2°W longitude meridian (pictured), and it is along this line that magnetic north has coincided

The three norths

However, its journey through Britain is not quite done – once it has travelled through the North Sea it will hit land again at the end of October 2026 in Drums, just south of Newburgh in Scotland. 

After passing through the large village Mintlaw in Aberdeenshire, its last stop in Scotland will be Fraserburgh around mid-December 2026, before it returns to the North Sea.

Once over the North Sea, the three norths are expected to continue northwards before leaving the Ordnance Survey National Grid, also known as the British National Grid. 

They will also stay in alignment for another couple of years before magnetic north separates from true north and grid north. 

According to the experts, the alignment's progress has slowed slightly since the initial predictions back in 2022. 

When it crossed the coast at Berwick-upon-Tweed, it had racked up about 358 miles (576km) of travel in 1127 days.

That's about 1,676 feet (511 metres) per day, or about 0.23-inch (5.9 mm) per second, or about 0.013 miles per hour.

Dr Beggan said the three norths combining in Britain has been 'a once-in-a-lifetime occurrence' largely due to the wandering magnetic north. 

November 2022: The red line shows magnetic north, while the blue 'special line' is true north and the grid north line which are perfectly aligned as they made landfall at the village of Langton Matravers just west of Swanage, Dorset, (pictured)

Magnetic north is the direction compasses point and the location where the Earth's magnetic field points vertically downward. The direction of magnetic north changes continually due to natural changes in the magnetic field 

Magnetic north moves slowly – about 30 miles per year – so it may be several hundred years before this alignment comes around again. 

'The magnetic field is not predictable in the long term, so we don't know how many hundreds of years it will take for this historic alignment to occur again,' said Dr Beggan.

Earth's magnetic field is created by the movement of liquid iron in the Earth's outer core, some 1,800 miles below our feet.

The iron is super hot (more than 5,432 degrees Fahrenheit) and as runny as water meaning it flows very easily.

As the liquid flows, it drags the magnetic field with it – meaning the magnetic north and south poles are constantly drifting around. 

The alignment began back in 2014, when magnetic north became east of grid north for some locations in Britain for the first time in more than 350 years. 

This affected navigators using a compass, who needed to adjust their bearing by subtracting instead of adding the difference between magnetic and grid north. 

 { https://www.dailymail.co.uk/sciencetech/index.html }

16-12-2025 om 22:10 geschreven door peter  

More than 3,000 years after they were damaged by an earthquake, two of Egypt's most breathtaking monuments have been handsomely restored. 

The Colossi of Memnon are two giant alabaster statues on the other side of the Nile from Luxor, the historic city in Upper Egypt. 

Each measuring nearly 50 feet in height, they represent Amenhotep III, the powerful pharaoh who ruled ancient Egypt from 1391 to 1353 BC. 

On Sunday, authorities pulled back the curtain on the repaired statues, described as 'one of the most important landmarks of the Egyptian civilization'. 

They have been restored, reassembled and raised to their original place as part of a renovation project that's lasted around two decades. 

Amenhotep III ruled ancient Egypt at the height of its powers, was worshipped as a living god, and was the grandfather of Tutankhamun.  

Michael Habicht, an archaeologist at Flinders University in Australia, said he 'promoted peace and lived in a time of the greatest economic prosperity'. 

'He might well have been one of the richest men that ever lived, at least in his epoch,' he said. 

The giant alabaster statues, known as the Colossi of Memnon, were reassembled in a renovation project that lasted about two decades

Each measuring nearly 50 feet in height, they represent Amenhotep III, the powerful pharaoh who ruled ancient Egypt about 3,400 years ago

The Colossi of Memnon were originally built in 1350 BC, made from blocks of quartzite sandstone quarried near modern-day Cairo and transported 420 miles.

Both statues depict Amenhotep III seated with hands resting on his thighs, with their faces looking eastward toward the Nile and the rising sun. 

They wear the striped 'nemes' headdress surmounted by the double crowns and the pleated royal kilt, which symbolizes the pharaoh's divine rule. 

Two other small statues on the pharaoh's feet depict his wife, Tiye, while more than 100 inscriptions cover the Colossi in Greek and Latin. 

In about 1200 BC, the colossi were damaged by a strong earthquake that also destroyed Amenhotep III's nearby funerary temple. 

The statues were fragmented and partly quarried away, with their pedestals dispersed.

Some of their blocks were reused in Luxor's Karnak temple, but archaeologists brought them back to rebuild the colossi, according to the Antiquities Ministry. 

The colossi are of great significance to Luxor, a city known for its ancient temples and other antiquities and one of the oldest continuously inhabited cities in the world. 

The Colossi of Memnon were originally built in 1350 BC, made from blocks of quartzite sandstone quarried near modern-day Cairo and transported 420 miles 

In late 1990s, an Egyptian German mission, chaired by German Egyptologist Hourig Sourouzian, began working in the temple area, including the assembly and renovation of the colossi

Pictured, visitors take photos with the two giant reassembled alabaster statues of Pharoah Amenhotep III, in the southern city of Luxor, Egypt, Sunday, December 14, 2025

They´re also an attempt to 'revive how this funerary temple of king Amenhotep III looked like a long time ago', said Mohamed Ismail, secretary-general of the Supreme Council of Antiquities. 

Amenhotep III, one of the most prominent pharaohs, ruled during the 500 years of the New Kingdom, which was the most prosperous time for ancient Egypt. 

The pharaoh, whose mummy is showcased at a Cairo museum, ruled between 1390-1353 BC, a peaceful period known for its prosperity, prosperity and grandeur.  

'Diplomatic letters by foreign potentates begged him to send them some gold as a present, "as gold shall be abundant in Egypt as sand",' Dr Habicht said. 

'It's the usual over-exaggeration for such a letter, but nevertheless hints towards extreme wealth.'

According to the academic, the pharaoh may also have been something of a womanizer, importing hundreds of foreign women to be part of his harem. 

'He was apparently very interested in women; he imported hundreds of foreign harem ladies and collected them as other people collect postal stamps,' he said.

Amenhotep III's reign was also known for great construction, including his mortuary temple, where the Colossi of Memnon are located, and another temple, Soleb, in Nubia. 

Amenhotep III, one of the most prominent pharaohs, ruled during the 500 years of the New Kingdom, which was the most prosperous time for ancient Egypt

Unlike other monumental sculptures of ancient Egypt, the colossi were partly compiled with pieces sculpted separately, which were fixed into each statue´s main monolithic alabaster core, the ministry said

He is thought to have died between the ages of 40 and 50, leaving his successor (son Akhenaten IV) a kingdom at the height of its power and wealth. 

Amenhotep IV would rebel against the powerful Amun priesthood, installing the sun god Aten as the top Egyptian deity.

He changed his name to Akhenaten – meaning 'beneficial to Aten' – and even moved his capital away from Thebes – the 'city of Amun' – to a new city honouring the sun god, Akhetaten.

But his son, Tutankhaten, would restore the cult of Amun to prominence, changing his name to Tutankhamun – meaning 'the living image of Amun'.

Tutankhamun would become one of history's most famous pharaohs thanks to the discovery of his tomb in 1922, which was largely intact and contained many of its original artifacts.

WERE KING TUTANKHAMUN'S PARENTS ALSO COUSINS?

The complex family arrangements of Tutankhamun has been one of the great mysteries surrounding the young king.

While his father was known to have been Pharaoh Akhenaten, the identity of his mother has been far more elusive.

DNA testing has shown that Queen Tiye, whose mummy is pictured above, was the grandmother of the Egyptian Boy King Tutankhamun

In 2010 DNA testing confirmed a mummy found in the tomb of Amenhotep II was Queen Tiye, the chief wife of Amenhotep III, mother of Pharaoh Akhenanten, and Tutankhamun's grandmother.

A third mummy, thought to be one of Pharaoh Akhenaten wives, was found to be a likely candidate as Tutankhamun's mother, but DNA evidence showed it was Akhenaten's sister.

Later analysis in 2013 suggested Nefertiti, Akhenaten's chief wife, was Tutankhamun's mother.

However, the work by Marc Gabolde, a French archaeologist, has suggested Nefertiti was also Akhenaten's cousin.

This incestuous parentage may also help to explain some of the malformations that scientists have discovered afflicted Tutankhamun.

He suffered a deformed foot, a slightly cleft palate and mild curvature of the spine.

However, his claims have been disputed by other Egyptologists, including Zahi Hawass, head of Egypt's Supreme Council of Antiquities.

His team's research suggests that Tut's mother was, like Akhenaten, the daughter of Amenhotep III and Queen Tiye. 

Hawass added that there is 'no evidence' in archaeology or philology to indicate that Nefertiti was the daughter of Amenhotep III.

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16-12-2025 om 21:47 geschreven door peter  

Explore every building in the WORLD: Incredible map charts 2.75 billion structures in 3D - including your home

• READ MORE: Interactive map lets you explore the vast network of Roman roads

By WILIAM HUNTER, SENIOR SCIENCE & TECHNOLOGY REPORTER

From historic homes in Edinburgh to towering skyscrapers in Shanghai, you can now explore every building in the world from the comfort of your home.

An incredible new map charts the location and size of 2.75 billion buildings in incredible 3D detail.

Dubbed the GlobalBuildingAtlas, it contains over a billion more houses than the previous biggest dataset.

And you can use it for yourself by using the interactive map below.

The GlobalBuildingAtlas was created by researchers from the Technical University of Munich (TUM) in Germany using a vast trove of satellite data.

The scientists combined nearly 800,000 satellite images captured in 2019 with an AI algorithm to predict the size of missing buildings based on the heights of the neighbours.

Lead author Professor Xiaoxiang Zhu says: '3D building information provides a much more accurate picture of urbanization and poverty than traditional 2D maps.

'With 3D models, we see not only the footprint but also the volume of each building, enabling far more precise insights into living conditions.'

An incredible new map charts the location and size of 2.75 billion buildings in incredible 3D detail. Pictured: the Forbidden City in Beijing 

In London, the satellite data that was used to create the map even picks up details like the shape of bridges and boats on the Thames 

To find your home on the map, or explore anywhere else in the world, all you need to do is search in the 'input address' bar at the top of the map.

The database will then reveal a 3D model of any area in the world, using data recorded by orbiting satellites.

These 3D models are exceptionally accurate in urban areas, where the researchers say the resolution is 30 times finer than comparable databases.

The researchers say that their site has received over 280,000 visits since it launched a few days ago.

This unexpected popularity far exceeds what the site was built for, so the map may be slow to load at times.

Besides being fascinating to explore, this detailed map has an important scientific function.

Creating detailed maps of the world's buildings has been extremely difficult in the past because it requires specialised satellites to scan the ground with lasers.

This makes it challenging to cover the entire globe with scans that have a high enough fidelity.

Creating detailed maps of the world's buildings has been extremely difficult in the past because it requires specialised satellites to scan the ground with lasers. Pictured: New York's towering skyscrapers 

Besides being fascinating to explore, this detailed map has an important scientific function. Pictured: the exact layout of the animal enclosures inside Edinburgh Zoo

Here you can see the tall buildings of London's Canary Wharf financial district and the iconic shape of the O2 stadium 

The map doesn't just record modern structures. Here you can see the layout of the different walls of the Tower of London 

The European countries with the most buildings

Finland: 3,967 cubic metres

Estonia: 2,689 cubic metres

Sweden, 2,159 cubic metres

Denmark: 1,996 cubic metres

Latvia: 1,666 cubic metres

Lithuania: 1,602 cubic metres

Belgium: 1,263 cubic metres

Netherlands: 1,250 cubic metres

Ireland: 1,228 cubic metres

Austria: 1,215 cubic metres

Building volume per capita

The researchers' solution was to combine laser-scanning data with artificial intelligence to fill out the gaps in the map.

The result is a detailed map of the world that can be used to study development, prepare for disasters, and plan new city developments.

According to their analysis of the dataset, Asia is home to 1.22 billion buildings, almost half of the world's total supply of buildings.

Africa follows with around 540 million buildings, coming in ahead of Europe with 403 million buildings.

North and South America have significantly fewer buildings, with 295 million and 264 million buildings respectively, while Oceania has only 14 million.

Using that data, the researchers have even created a new way of measuring social and economic development: building volume per capita.

The general idea is that the more space there is per person, the more well off that country is likely to be.

Finland, for example, tops the leaderboard in Europe with over 3,900 cubic metres of building volume per person and regularly ranks as the happiest country in Europe.

By zooming out, you can see the distribution of building volume over the whole world. Red areas show towns and cities where the concentration of buildings is highest

Asia is home to 1.22 billion buildings, almost half the world's total. This image shows the towering skyline of Shanghai's Bund district 

The map doesn't only show cities, and the satellite data is sensitive enough to pick up tiny settlements like the town of Lajamanu, deep in Australia's Northern Territories 

The researchers found that Finland, which is often rated as the happiest country in the world, has over six times more building volume per person than Greece and hundreds of times more than many African nations 

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• Scientists baffled by giant structure hidden beneath Bermuda that is 'unlike anything else on Earth' 

Greece, on the other hand, which has faced decades of economic stagnation, has six times less building volume per person.

In the future, the researchers hope that this data could be used to help plan additional housing or public facilities in areas that need it most.

At the same time, the model could also be extremely useful for disaster prevention by showing which areas are the most at risk.

The German Aerospace Center, for example, is already examining how it can use the GlobalBuildingAtlas as part of its disaster support work around the world.

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16-12-2025 om 21:21 geschreven door peter