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

The turtle has been in no rush to give up the secret of its shell — but after two centuries of close study, scientists are filling in the story of a structure unique in the history of life.New ...

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 ...

A half-shell turtle species that swam in China's coastal waters 220 million years ago is the oldest turtle known to date, a new analysis of fossils reveals. The turtle had a belly shell, but its back ...