Mindy Weisberger

Scientists identified shark DNA in pet food products, none of which listed shark meat in the ingredients.

Recently unearthed footage that documented the aftermath of the Chernobyl accident remained hidden for decades.

A malformed megalodon tooth hinted at an injury that caused it to develop with a split down the middle.

When food starts running low in wasp larvae nurseries, the babies resort to cannibalism in order to survive.

Scientists recently described six new species of miniature frogs that inhabit forest floors in Mexico and Guatemala.

Scientists recently found that tardigrades can travel by snail to reach new destinations that were otherwise beyond their reach.

Once mating is over, male orb-weavers catapult off the bodies of females to avoid being eaten, moving at a speed that's too fast to glimpse with the naked eye.

Can tardigrades travel by snail? New experiments suggest that it's possible — and hazardous.

Violent head shaking helps normally placid geckos subdue dangerous scorpion prey.

A star that formed when the universe was young was recently spotted by Hubble space telescope. It's the most distant star ever seen and could be 500 times as massive as the sun.

Crazy ant colonies in North America are being driven to extinction by a fungus that targets the invasive pest species.

On March 25, thousands of young people around the world mobilized to demand government action to curb climate change.

A relatively small pulsar (a dense, collapsed and rapidly-spinning star) belched out a giant filament containing matter and antimatter particles that streamed for trillions of miles.

A Triceratops skeleton nicknamed "Horridus" is over 85% intact and is one of the most complete Triceratops fossils in the world.

Invertebrate butts are both diverse and bizarre, and are being celebrated on Twitter in art, photos and video.

When a rare 23-karat gold coin from 1344 hits the auction block in the U.K., it could fetch up to 140,000 British pounds.

The 30,000-year-old Venus of Willendorf figure is named for the site in Austria where it was discovered in 1908, but new analysis reveals that the stone came from northern Italy.

Humans are reeling under climate disruption, and there's worse to come, scientists warn in the latest UN climate assessment.

Tiny marine algae lingered in the bones of a fisherman who lived 5,000 years ago, and they reveal that he drowned in salt water.

The Russian invasion of Ukraine has led top Ukrainian scientists to withdraw from final approvals of a landmark climate report.

Around 66 million years ago, springtime in the Northern Hemisphere brought disaster and mass death to Earth in the form of a giant asteroid impact that triggered a global extinction.

Researchers found that people are more likely to seek variety for lunch and dinner, while eating the same thing for breakfast day after day.

Archaeologists and historians have uncovered new clues about the Underground Railroad and the people who risked their lives to escape enslavers in 19th-century America.