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

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

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 ...