Sloths weren’t always the slow, tree-hugging creatures we know today. For millions of years, they came in a wild variety of ...

The dinosaur that welcomes visitors to the Natural History Museum harbors a fascinating history. Researchers have identified ...

New fossil evidence shows that South America’s extinct mastodons were vital seed dispersers, and their loss still haunts ...

Although bears are often imagined as lumbering scavengers or bamboo-munching icons, some species are surprisingly deadly ...

This weekend, saber-toothed cats, giant armadillos, and a creature called the "hell pig" invade the Museum of York County. We ...

Bolg amondol was a raccoon-sized armored mostesaurian lizard that lived about 77 million years ago, similar to today’s Gila ...

As Jaws celebrates its 50th anniversary, Science News explores the vast range of shark sizes, from megaladon to the dwarf lanternshark.

A newly discovered, raccoon-sized armored monstersaurian from the Grand Staircase-Escalante National Monument in Southern ...