The first-ever published research out of Tinshemet Cave indicates the two human species regularly interacted and shared technologies and customs.

A collection of 27 1.5-million-year-old bone tools discovered in Tanzania shows early humans had an ability to systematically make tools about a million years earlier than scientists thought.

Can they run fast enough, and far enough? Our team's research modeled the anatomy of these early humans, Australopithecus afarensis, to find out how well they could run. Australopithecus afarensis ...