This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...

From which ancestors have turtles evolved? How did they get their shell? New data provides evidence that turtles are not primitive reptiles but belong to a sister group of birds and crocodiles. The ...

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 ...

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 ...

When we picture sea turtles in the wild, it's easy to envision them as armored warriors—their hard, resilient shells serving as near-impenetrable shields against oceanic threats like sharks. These ...

Repair of injured turtle shells can be difficult and time-consuming. This article describes how to manage the freshwater turtle in this phase of healing and how to keep fracture sites 'water-free'.

An ancestor of modern-day turtles, a shell-less creature with a long tail once puttered around an ancient lake, likely munching on insects and worms with its peglike teeth, a new study finds.

It’s a debate that’s left more than a few scientists shell-shocked: Just how did the turtle come to acquire its unique suit of armor? Some have insisted for decades that the turtle’s carapace evolved ...