This fossil femur from Olduvai confirms that the larger or robust australopithecines lived in both East and South Africa during the Pleistocene. This specimen and femora from Swartkrans in South ...

A recently analyzed Homo habilis skeleton, dating back over 2 million years, is reshaping our understanding of early human ...

Anthropologists define a "grade shift" when a species shares structural and/or behavioral characteristics different from their ancestors. They also agree that the appearance of Homo erectus about 2 ...