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

In today's turtles the shell has a key protective function. The animals can withdraw into it and protect themselves against predators. No other group of vertebrates has modified its physique to such ...

Talk about a mutant turtle. Researchers have discovered the largest turtle to ever live, Stupendemys geographicus, roamed the ancient seas in greater ranges than previously believed, according to a ...

CONSIDER the floating fortress that is a sea turtle. It seems to fly gracefully through the water even though it is encased in heavy armour. This combination of poise and protection evolved like any ...