Discover what’s inside a turtle shell, living bone fused to spine and ribs, packed with organs, muscles, and nerves that ...

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, ...

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 ...

Ever consider the question of whether a turtle can truly pull its head into its shell like a cartoon representation in a children’s tale? The answer is far from being merely yes or no. As mentioned in ...

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.