A sea turtle’s shell is living bone fused directly to its spine and ribs. It is not a detachable shield or an external case, ...

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

Turtles and tortoises are both reptiles with shells, but they're not exactly the same. So how can you tell them apart? What's the difference between a turtle and a tortoise? "All tortoises are turtles ...

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