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'The brain consistently moved upward and backward': Astronauts' brains physically shift in their heads during spaceflight

A new study analyzed brain MRI scans from 26 astronauts and found that the longer someone lived in space, the more their brain shifted in their skull.

Snakes keep evolving into cannibals — here's what scientists think is going on

A review of over 500 reports of cannibalistic behavior in snakes finds it's appeared multiple times in different evolutionary lineages, leading researchers to hypothesize it's beneficial for snakes under certain circumstances.

Vaccine denial sets Americans up for more chronic illness

Despite well-established links between pathogens and chronic illness, the U.S. government continues to weaken public health measures to treat and prevent infectious diseases — a strategy that will ultimately make Americans even sicker.

Tumaco-Tolita Seated Elder: This 2,000-year-old depiction of an aged man with wrinkles struck fear in people because it held 'the power'

Tumaco-Tolita artists were known for their intense realism in sculpting clay representations of humans.

Many men lose their Y chromosomes as they age. It may shorten their lives.

A researcher explores why men lose their Y chromosomes in cells as they age and the health implications associated with this loss.

Physicists push quantum boundaries by turning a superfluid into a supersolid — and back — for the first time

Physicists saw excitons, a type of quasiparticle, undergo a reversible phase transition from superfluid to supersolid for the first time, opening new doors for studying extreme states of matter.

Microbes in Iceland are hoarding nitrogen, and that's mucking up the nutrient cycle

A study in Iceland found that microbes are hoarding more nitrogen for themselves, altering nutrient cycling and leaving less for plants.

'Night owls' may have worse heart health — but why?

Emerging evidence suggests that «night owls» are more likely to have poor heart health and a higher risk of heart attack or stroke than «morning larks.» Why is that?

Paleo-Inuit people braved icy seas to reach remote Greenland islands 4,500 years ago, archaeologists discover

Archaeological remains on the Kitsissut islands off the coast of Greenland reveal that whole communities regularly journeyed across the dangerous Arctic waters.

Sandals of Tutankhamun: 3,300-year-old footwear that let King Tut walk all over his enemies

Among the sandals discovered in Tut's tomb is a pair whose insoles were decorated with images of the boy king's enemies.

Martian meteorite that fell to Earth is full of ancient water, new scans reveal

A new study has revealed that the iconic Black Beauty meteorite contains much more hidden water than previously suspected. The rock, which fell to Earth from Mars, could reveal clues about the Red Planet's watery past.

Star-killing black hole is one of the most energetic objects in the universe — and it's getting brighter

Scientists say a jet from a previously studied supermassive black hole has grown brighter, becoming one of the most energetic events in the universe.

Kanzi the bonobo could play pretend — a trait thought unique to humans

Past anecdotal observations have hinted that great apes play pretend. But now, experimental research shows that our closest living relatives can keep track of imaginary objects.

Spotted lanternflies are invading the US. They may have gotten their evolutionary superpowers in China's cities.

The alarming spread of spotted lanternflies across the U.S. has been made possible by cities acting as evolutionary incubators, fine-tuning the insects and enabling them to thrive.

The 'mono' virus raises the risk of MS and cancer in some. 22 genes hint at why.

An infection with Epstein-Barr virus is a nonevent for most people. But for a subset, the virus can contribute to chronic conditions and cancer, and genes may play a role in that risk.

Canon 15x50 IS All Weather binocular review

A powerful, image stabilized binocular that provides exceptional reach and high-quality optics, but is let down slightly by its rubberized coating and non-waterproofness.

Enormous 'mega-blob' under Hawaii is solid rock and iron, not gooey — and it may fuel a hotspot

A new study reveals a detailed look at what lies beneath the Hawaiian hotspot.

What is Moltbook? A social network for AI threatens a 'total purge' of humanity — but some experts say it's a hoax

A new social networking site exclusively for bots has sparked claims of AI inventing its own religion and plotting humanity's downfall. But experts say its real dangers lie elsewhere.

Sunspot launches 27 solar flares in 24 hours, including strongest outburst in years

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since 2024. Auroras are possible later this week.

Preserved hair reveals just how bad lead exposure was in the 20th century

A new study reveals the dramatic decrease in lead exposure in the U.S. following the establishment of the Environmental Protection Agency 55 years ago.

Wegovy now comes in pill form — here's how it works

The pill version of Wegovy seems to work just as well as the injectable form, but there are some key differences between the two formulations, experts say.

5,500-year-old human skeleton discovered in Colombia holds the oldest evidence yet that syphilis came from the Americas

An ancient DNA analysis of a 5,500-year-old human skeleton reveals that an ancestor of the bacterium that causes syphilis was present in the Americas at least 3,000 years earlier than previously thought.

Arctic blast probably won't cause trees to explode in the cold — but here's what happens if and when they do go boom

An exploding tree claim has gone viral as the U.S. brace for an Arctic blast that will send temperatures plunging, triggering a massive and long-lasting winter storm.

'Pain sponge' derived from stem cells could soak up pain signals before they reach the brain

Scientists are developing a «sponge» that can soak up pain signals in the body before they reach the brain, potentially offering an alternative to painkillers.

An ocean the size of the Arctic once covered half of Mars, new images hint

Mars may have been a «blue planet» with an ocean the size of today's Arctic Ocean, a new study suggests.

IBM unveils two new quantum processors — including one that offers a blueprint for fault-tolerant quantum computing by 2029

IBM has released two new complex quantum processors alongside a new framework that would allow us to track the first demonstration of quantum advantage.

Mammoth RNA sequenced for the first time, marking a giant leap toward understanding prehistoric life

Scientists successfully sequence the RNA from woolly mammoths found in Siberia that lived up between 10,000 thousand and 50,000 years ago.

Astrophotographer snaps 'absolutely preposterous' photo of skydiver 'falling' past the sun's surface

Astrophotographer Andrew McCarthy has snapped a striking shot of a skydiving YouTuber perfectly aligned with the fiery surface of the sun. The unlikely image, dubbed «The Fall of Icarus,» required meticulous planning to pull off.

New Jersey man dies from meat allergy triggered by tick bite

A man in New Jersey has died from a meat allergy that people can develop after being bitten by certain tick species.

Quantum computing will make cryptography obsolete. But computer scientists are working to make them unhackable.

When quantum computers become commonplace, current cryptographic systems will become obsolete. Scientists are racing to get ahead of the problem and keep our data secure.

An Iranian volcano appears to have woken up — 700,000 years after its last eruption

Taftan volcano near the border of Pakistan has shown signs of unrest in recent years.

Astronomers close in on ancient signal from 'one of the most unexplored periods in our universe'

A faint radio «whisper» from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

CO2 levels reach record new high, locking in more global warming

Greenhouse gas concentrations increased by a record amount in 2024 as more carbon dioxide, methane and nitrous oxide became locked in Earth's atmosphere, a World Meteorological Organization report finds.

Orionids 2025: Meteor shower caused by Halley's Comet peaks as two new comets cross the sky

Comets Lemmon and SWAN will be at their brightest just as the annual Orionid meteor shower produced by Halley's Comet reaches its peak.

'This moves the timeline forward significantly': Quantum computing breakthrough could slash pesky errors by up to 100 times

Researchers used a new technique called algorithmic fault tolerance (AFT) to cut the time and computational cost of quantum error correction by up to 100 times in simulations of neutral-atom architecture.

James Webb telescope finds something 'very exciting' shooting out of first black hole ever imaged

Using the James Webb Space Telescope's infrared camera, scientists have captured the gigantic jet blasting out of M87* in a new light.

Cheaper than Prime Day: Our favorite telescope is now $300 off at Amazon

The Celestron NexStar 8SE is now the cheapest we've seen it since January — and there's no guarantee it'll be discounted for Black Friday, either.

Jane Goodall revolutionized animal research, but her work had some unintended consequences. Here's what we've learned from them.

Following Jane Goodall's death, chimp experts explain how her early observations still influence our understanding of our ape cousins.

Skeleton-filled well in Croatia likely holds remains of Roman soldiers, study finds

Archaeologists have discovered a mass grave of Roman soldiers hidden inside an ancient well in Croatia.
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