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Strange, repeating radio signal near the center of the Milky Way has scientists stumped

Scientists detected a repeating radio signal near the center of the Milky Way, and it's unlike anything else they've ever studied.

Cheetahs battle raging river in stunning photo. Did they survive?

A photo showing a group of male cheetahs trying to cross a raging river in Kenya is part of the 2021 Wildlife Photographer of the Year competition.

Gigantic 'shark-toothed' dinosaur discovered in Uzbekistan

The discovery of a massive dinosaur jawbone dating to 90 million years ago reveals a previously unknown apex predator that prowled in what is now Uzbekistan.

Helmet-headed Cambrian sea monster sucked up prey like a Roomba

An ocean creature that lived around 500 million years ago was the largest predator on the sea bottom.

1st sign of elusive 'triangle singularity' shows particles swapping identities in mid-flight

Physicists sifting through old particle accelerator data have found evidence of a highly-elusive, never-before-seen process: a so-called triangle singularity.

This Australian bird's cry sounds just like a human baby

A brown, long-tailed bird at the Taronga Zoo Sydney in Australia has learned how to mimic the shrieks and shrills of human babies.

This Australian bird’s cry sounds just like a human baby

A brown, long-tailed bird at the Taronga Zoo Sydney in Australia has learned how to mimic the shrieks and shrills of human babies.

What is the Paris Agreement?

The Paris Agreement is an international plan to address climate change.

Farming brought burst of extreme violence to Atacama Desert, ancient mummies reveal

The maimed and tortured remains of Atacama Desert mummies reveal that the region’s earliest farmers cultivated a climate of extreme violence.

Antibiotics may raise colon cancer risk, massive study suggests

This is the largest epidemiological study to assess this potential risk.

Dark regions of the genome may drive the evolution of new species

The findings suggest a way to rescue «doomed» animal hybrids.

An 'Internet apocalypse' could ride to Earth with the next solar storm, new research warns

A catastrophic solar storm could take huge sections of the Earth offline for weeks or months, a new research paper warns.

Why is the color blue so rare in nature?

Of all the colors we can see in nature, blue is one of the rarest.

Dense 'hot spots' on a young star reveal what Earth's sun may have looked in its infancy

Astronomers may have captured the best view yet of matter colliding with the surface of a young star, findings that may shed light on what the sun looked like in its youth.

Satellite images show extreme flooding in New Jersey in the aftermath of Hurricane Ida

The epic storm that swept across the eastern United States this week hit New Jersey so hard that satellites saw the damage from space.

Why is alcohol used to preserve things?

Here's how alcohol can help preserve DNA, tissue samples and even entire organisms.

Why do we grind our teeth?

Grinding our teeth damages them, so why do we do it?

Who will buy 'Big John,' the biggest triceratops ever found?

The largest triceratops in the world, scheduled to be auctioned on Oct. 21, will be on display to the public in Paris beginning Sept. 16.

What are antioxidants?

Antioxidants are powerful protective chemicals found in fruits, vegetables and many other foods.

Dead stars crashing into live stars may trigger a new type of supernova

Astronomers have uncovered evidence of explosions triggered by dead stars ramming into live stars, possible proof of a new type of supernova, a new study finds.

'Red light' warning flashed during Richard Branson's historic spaceflight, Virgin Galactic insiders say

It may not have gone as smoothly as we thought.

World's largest rodents are taking over a fancy gated community in Argentina

Capybaras have overrun a gated community in Argentina which was controversially built over their original habitat.

8-foot-tall pagan idol unearthed in Irish bog

A wooden pole made from an oak tree trunk and carved into the shape of a pagan idol 1,600 years ago has been unearthed in a bog in Ireland.

Got a cool pet? Enter to win this book on their prehistoric counterparts.

Here's how to enter to win a free copy of the «Prehistoric Pets» pop-up book.

Alien-like cookiecutter sharks terrorize animals of all sizes

Cookiecutter sharks rip small, cookie-shaped chunks out of sharks and whales much larger than themselves, but a new study finds these big animals make up only a small part of their diet.

Artistic giant Michelangelo was actually quite short

A new analysis of shoes that may have belonged to the Renaissance artist Michelangelo revealed his small stature.

'Perfect' Mars rock sample drilled from the Red Planet in historic mission

Following a botched first attempt, NASA's Mars Perseverance rover successfully collected a pencil-thin Martian rock core sample.

Mysterious object called 'The Accident' has been careening through the Milky Way for 10 billion years

Scientists analyzed a rare brown dwarf named 'The Accident' and found that it is an exceptionally old, ultra-cold failed star unlike any other.

'What the heck is that?' Florida angler catches 'tortilla fish.'

An angler fishing in Tampa Bay was surprised to reel in an unusual fish that looked just like a flour tortilla.

World's largest Martian meteorite goes on display

The largest piece of Martian rock on Earth, weighing around 32 pounds, has gone on display for the first time, at a museum in Maine.

China wants to build a mega spaceship that’s nearly a mile long

A Chinese science proposal plans to study how to get a giant spacecraft into space.

Byzantine church dedicated to unknown martyr unearthed in Israel

Archaeologists have discovered a 1,500-year-old church in Israel dedicated to an unknown martyr that had animal mosaics that had been erased. The sizable church has Greek inscriptions that say that it was dedicated to a "glorious martyr" but doesn&a

New 'mu' coronavirus variant could escape vaccine-induced immunity, WHO says

The variant was first detected in Colombia in January 2021.

Do wolves wag their tails?

Dogs regularly wag their tails to greet humans and other dogs, but what about their wild counterparts? Do wolves wag their tails?

Scientists discover on-off switch for bacteria that breathe electricity

The discovery could have applications in electronics and medicine.

California's Caldor Fire seen from space in harrowing satellite images (gallery)

The Caldor Fire, one of the largest in California's history, has been blazing since Aug. 14, 2021.

A quarter of sunlike stars eat their own planets, according to new research

How rare is our solar system? In the 30 years or so since planets were first discovered orbiting stars other than our sun, we have found that planetary systems are common in the galaxy.

Is a 'fetal heartbeat' really a heartbeat at 6 weeks?

What exactly do we mean when we talk about a «fetal heartbeat» at six weeks of pregnancy?

Huge, gold-standard study shows unequivocally that surgical masks work to reduce coronavirus spread

Results from a massive study in Bangladesh unequivocally show that surgical masks reduce the spread of SARS-CoV-2, scientists say.
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