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

The fossil of an ancient giant sea turtle — estimated to have been as long as a small car — was discovered in Spain, representing the largest marine turtle to have been found in Europe. Until now, the ...

Scientists studying the world’s largest river turtles, a South American species that grows to a length of nearly a meter, or 3 feet, have found the largest nesting aggregation ever recorded. Using ...