After speeding up during 2020, the Earth's spin had settled down. A negative leap second may still be needed in the next decade.

Sharks have been around for over 450 million years and have gained some pretty strange traits in that time.

While searching for a medieval village near the childhood home of Princess Diana, archaeologists discovered Paleolithic artifacts instead.

A man who may have been trying to flee or rescue residents of Herculaneum was buried in pyroclastic flow when Vesuvius erupted.

A polynya, or rift, opened in the Arctic's oldest, thickest ice in May 2020, new research finds.

More than 90 rattlesnakes were pulled from the foundation of a California home, where the snakes may have been gathering to give birth.

Blackworm blobs can move as one organism by striking a perfect balance between wiggling and clinging, a discovery that could aid the development of soft robotics.

The remnants of DNA may lurk in 125 million-year-old dinosaur fossils found in China.

Two toothy carnivorous dinosaurs with crocodile-type skulls once stalked the riverbanks on England's Isle of Wight, new fossils reveal.

The melting of Earth's polar ice is warping the planet's crust. Here's how that's linked to climate change.

The winning photographs for the 13th annual Astronomy Photographer of the Year awards have been announced, and the sun is the star of the show.

Here's a look at stunning astronomy images from the Royal Observatory Greenwich's Astronomy Photographer of the Year competition.

A parade of life-size stone camel carvings in northern Arabia dates back to the Stone Age, new research finds.

A new freely downloadable universe simulation reveals the structure of galaxies and galactic clusters over more than 13 billion years of history.

A six-year search of space beyond the orbit of Neptune has netted 461 newly discovered objects, including four that could shed light on Planet Nine.

Astronomers have fetched some cool new views of a dog-bone-shaped asteroid orbiting between Mars and Jupiter.

Coastal Louisiana provided Hurricane Ida with enough fuel to power major hurricane winds for hours.

The Greenland ice sheet, nearly 2 miles thick in places, hides a landscape of canyons, mountains, fjords and gem-like lakes.

About a billion years of rock went missing at the Grand Canyon, and scientists now think they know why.

Two rare albino alligators have hatched at a Florida safari park.

These mutations may make delta the most transmissible coronavirus variant yet. Here's how the variant became so formidable.