'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?
Space
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.
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The US will see a rare 'blood moon' eclipse before sunrise this March: Where and when to look
A rare total lunar eclipse will be visible from most of the United States on March 3. Here's where and when to look.
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Life-friendly molecules are leaking out of Jupiter's giant moon Europa
A new finding of ammonia on the icy surface of Jupiter's moon Europa could have important implications for the search for extraterrestrial life.
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'Behemoth star,' previously thought to be dying, is 'rising from the ashes' like a phoenix
A new study suggests that the red supergiant WOH G64, also known as the "behemoth star," has not transitioned into a yellow hypergiant as previous research suggested. This means it is now unlikely to imminently explode in a colossal supernova.
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Planet Earth
Clean energy is surging — with or without Trump
In 2025, solar and wind surpassed coal as a global energy source.
Scientist accidentally stumbles across bizarre ancient ‘wrinkle structures’ in Morocco that shouldn't be there
Ancient fossil structures imprinted on rocks that were once deep beneath the ocean suggest the search for the first life on Earth needs to be broadened.
New map shows weird magnetic anomaly lurking beneath Australia's Northern Territory
Advanced modeling has revealed an Australia-shaped magnetic anomaly beneath the country's Northern Territory that holds valuable information about Australia's geological history.
'Nitrogen fixing' trees could help tropical forests bounce back, research suggests
On the narrow isthmus of Panama, scientists discovered adding nitrogen to the soil doubled tree growth, providing new insights into forest restoration.
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Trippy 'biomass' snap reveals first detailed look at our planet's carbon stores
Earth from space The first false-color image from ESA's newly operational Biomass satellite shows off a unique perspective of the rainforests, grasslands and wetlands surrounding a winding river in Bolivia.
archaeology
Anglo-Saxon children discovered buried with warrior gear in UK — perhaps as a nod to 'the men these children might have become'
Archaeologists have discovered Anglo-Saxon children buried with a spear, shield and buckles, gear that's usually seen in warriors' graves.
7,500-year-old deer skull headdress discovered in Germany indicates hunter-gatherers shared sacred items and ideas with region's first farmers
The discovery of a deer skull headdress and tools made from antlers at the site of a New Stone Age farming village suggests that hunter-gatherers were sharing ideas with the newcomers.
Remote region in Greece has one of the most genetically distinct populations in Europe
A genetic analysis of the Deep Maniots living in Greece's southern Peloponnese region has revealed a close-knit, patriarchal community with roots in the Bronze Age.
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LATEST ARTICLES
Animals
Extraordinary photo captures first appearance of Siberian peregrine falcon in Australia's arid center
An ecologist has captured a photo of a peregrine falcon subspecies in an unprecedented location.
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.
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Saltwater crocodiles crossed the Indian Ocean to reach the Seychelles — before humans arrived and wiped them out
A DNA study reveals crocs that lived in the Seychelles represented the westernmost population of saltwater crocodiles, having swam at least 1,800 miles to reach the island.
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A deer carrying the rotting head of its vanquished foe and a playful lynx shortlisted for Wildlife Photographer of the Year Nuveen People's Choice Award
Here are the 24 images shortlisted for the Wildlife Photographer of the Year Nuveen People's Choice Award 2026.
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Grim photo captures polar bear mom and cubs resting in mud in summer heat
An image of polar bears napping along the Hudson Bay coast in Canada has been shortlisted for the Wildlife Photographer of the Year Nuveen People's Choice Award 2026.
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'System in flux': Scientists reveal what happened when wolves and cougars returned to Yellowstone
Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal their prey, cougars' shift from elk- to deer-heavy diets, paired with a rugged landscape for escape, might help cougars avoid violent wolf encounters.
Health & Human Behavior
Science history: 'Father of modern genetics' describes his experiments with pea plants — and proves that heredity is transmitted in discrete units — Feb. 8, 1865
Gregor Mendel described his experiments with pea plants and proved that genes are transmitted in discrete units, with certain fundamental laws of inheritance.
AI-supported breast cancer screening spots more cancers earlier, landmark trial finds
A clinical trial shows that AI-assisted mammography can detect more cases of dangerous cancer and reduce missed diagnoses.
'There's no reason to ban us from playing': Analysis debunks notion that transgender women have inherent physical advantages in sports
A meta-analysis of 52 studies that included over 5,000 transgender people suggests that transgender women's physical fitness after hormone therapy is comparable to that of cisgender women.
Why do kids eat their boogers?
There may be something more than just a bad habit behind this behavior.
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Life's Little Mysteries
Science questions, answered
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Space photo of the week
Extraordinary images of our sublime universe
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Diagnostic dilemma
Unusual case reports from the medical literature
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Incredible places
A window onto extraordinary landscapes on Earth
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Astonishing artifacts
A glimpse into how people lived in the past
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Earth from space
Incredible images of our planet from above
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Technology
How well can AI and humans work together? Scientists are turning to Dungeons & Dragons to find out
D&D is being used as a benchmark to see how well models can make long-term plans, adhere to rules and strategize with a team.
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.
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Physics, Math & Chemistry
'Invisible scaffolding of the universe' revealed in ambitious new James Webb telescope images
A team of researchers using the James Webb Space Telescope has produced the most detailed map of dark matter to date.
Quizzes & Games
Daily sudoku: Take a break with this classic numbers puzzle
Get a new challenge every day with our free online sudoku puzzle.
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