Mindy Weisberger

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.

Three cases of Lassa fever were recently confirmed in the U.K., for the first time since 2009. One of the patients — a newborn — has died.

The ancient reptile fossilized with a full belly.

A once-in-a-century wave that struck a cargo ship 25 years ago caused the worst toy-related environmental disaster of all time, known as the Great Lego Spill.

Hacking coughs, uncontrollable sneezing, high fevers and pounding headaches can make anyone miserable — even a dinosaur.

Bacteria help the sponges digest extinct creatures' remains.

What would it take to dislodge the moon from its orbit and send it on a collision course with Earth?

Reed-threaded vertebrae, some of which date to nearly 600 years ago, were found in tombs in coastal Peru. This unusual mortuary practice may have been a way to reassemble desecrated remains.

About 9 million years ago, marine worms burrowed into a dead fish's head and left behind a skull full of fossilized poop.

A wildlife photographer recently captured images of polar bears like you've never seen them before: living in abandoned buildings in the Russian Arctic.

It literally turned victims inside out.

After a month in space, the Webb Telescope — the most powerful space telescope ever launched — has reached its permanent cosmic address, 930,000 miles (1.5 million kilometers) from Earth.