One of the most telltale features of a turtle is its protective shell, and regardless of the species, most turtle shells are discernably similar. Despite what you might see on cartoons, a turtle’s ...

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 ...

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 ...