In the face of threats from other groups, humans, chimpanzees, and a selection of other species get closer with their own. Now an international team led by Kyoto University has shown that even our ...

The discovery of a never-before-seen bump on the leg bone of a 7 million-year-old fossil ape shows it walked upright on two legs while it was on the ground, a new study finds. Only members of the ...

A seven-million-year-old skull found in Chad sits at the center of a long argument about human origins. The species, Sahelanthropus tchadensis, was announced in the early 2000s as a possible early ...