In cartoons, when a turtle is spooked, it retreats into and closes up its shell. While used for comic effect, this imagery is based in fact – although not all turtles are capable of this protective ...

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

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 ...