The terms “ape,” “great ape,” “monkey,” “primate,” and “gorilla” are often used interchangeably, but they describe very ...

The way Sahelanthropus tchadensis moved has long been debated. The discovery of a small bump on the front of the thigh bone ...

The world’s largest ape vanished from Earth more than 100,000 years earlier than once thought, pushed to extinction as the environment around it shifted, researchers report January 10 in Nature. The ...