Cartoons often suggest turtles wear shells like removable armor. Those stories show turtles stepping out, swapping shells, or ...

A sea turtle’s shell is living bone fused directly to its spine and ribs. It is not a detachable shield or an external case, ...

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 ...

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

Every young boy has spent at least one afternoon digging a hole in the ground looking for some kind of treasure. An eight-year-old from South Africa was doing just that when he unearthed a turtle ...

A half-shell turtle species that swam in China's coastal waters 220 million years ago is the oldest turtle known to date, a new analysis of fossils reveals. The turtle had a belly shell, but its back ...