This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...

Turtles have shells that they can hide inside of when they feel like they’re in danger or when they are feeling anti-social and want everything around them to disappear. On the other hand, do turtles ...

A 260 million-year-old fossil has been determined to be the oldest ancestor of turtles found to date, revealing something about the reptile's mysterious past. Michelle Starr is CNET's science editor, ...

One of the most telltale features of a turtle is its protective shell, and regardless of the species, most turtle shells are discernably similar. Despite what you might see on cartoons, a turtle’s ...

It's a long-held idea that turtles can tuck their heads into their shells when threatened. But is it true? And is this protective trick why turtles the world over have shells today? The answer is that ...

Hans-Dieter Sues - Curator, Paleontology, National Museum of Natural History In a fit of pique, according to one of Aesop's fables, the god Hermes made the animal carry its house forever on its back.

Move over, Teenage Mutant Ninja Turtles — there is a new, shell-backed badass in town. In a study published Wednesday in the journal Science Advances, researchers announced the discovery of a ...