For decades, turtles have stumped scientists trying to place the shelled reptiles on the evolutionary tree. Now, a new study ...

Turtles have been around for 200 million years—outliving dinosaurs, surviving ice ages, and basically minding their own business the whole time. Tough on the outside, chill on the inside, they seem ...

An ancient reptile once thought to be an early turtle ancestor actually belonged to an entirely different group.