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 ...

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 ...

CHARLOTTE, N.C. (WTVD) -- Don't throw out your old bras! Instead donate them to a North Carolina animal rescue group and help save turtles. Carolina Waterfowl Rescue said it can use bra clasps to ...