Sometimes animated turtles seem to live inside their shells like it’s a tiny home. They may even hop out of the shell and run around. That’s funny in cartoons and games, but my friend Ryan Wagner told ...

Scuba Diving Snorkeling at Great Barrier Reef Cairns Port Douglas (Sea Turtle, Giant Clam, Hard Cora, Shark, School of Fish, Soft Coral, Great Visibility, Pufferfish)© Kitjapat Film/Shutterstock.com ...

The shells of chelonians—think turtles, tortoises, and sea turtles—grow in layers, keeping a time-stamped record of environmental conditions. Uranium has shown up in the layers of turtles’ and ...

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 ...

Wildlife biologist Brittany Clemans explains how the NOAA uses shell etchings to track turtle migration and how fellow turtle ...

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 ...