Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a mechanical constraint that prevents the chest from expanding during ...

Cartoons often suggest turtles wear shells like removable armor. Those stories show turtles stepping out, swapping shells, or treating them like clothing. Biology disagrees. A turtle shell is not an ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The broad-shelled river turtle (Chelodina expansa) falls into a group known as side-neck turtles.

The sea creature arrived at San Diego's Birch Aquarium in 2014 Ingrid Vasquez is a Digital News Writer at PEOPLE. She graduated from The University of Texas at Austin with a Bachelor in Journalism.

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 ...