Ever consider the question of whether a turtle can truly pull its head into its shell like a cartoon representation in a ...

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 ...

Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think. When you purchase through links on our site, we may earn an affiliate ...