The oldest distinguishing feature between humans and our ape cousins is our ability to walk on two legs—a trait known as bipedalism. Among mammals, only humans and our ancestors perform this atypical ...

In a paper published in Nature, a team led by University of Chicago paleoanthropologist Professor Zeresenay Alemseged reports ...

On the ancient plains of Ethiopia, early human relatives were already trying out different ways of being upright. If you grew up hearing about Lucy as the main star of that era, new fossil finds ...

“Hundreds of fossils representing over a dozen species of Ardipithecus, Australopithecus, and Homo had been found in the Afar ...