The fossilized remains of a bizarre-looking reptile are giving scientists new insights into how turtles got their distinctive shells. Some 240 million years ago, this early turtle-like creature lived ...

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 ...

Travel back in time to 260 million years ago, just before the dawn of the dinosaur era. Journey to what is now South Africa, and make your way to a river bank. Then, wait. If you’re lucky, you might ...