Many anthropologists hypothesize that our ancestors developed an upright posture in order to carry food over long distances, but others believe they stood up merely to find it. As early hominids ...

In the 8 million years or so since the earliest ancestors of humans diverged from the apes, at least a dozen humanlike species, called hominids, have lived on Earth. And this list is getting longer.

Discoveries at Tanzania’s Olduvai Gorge, a famous East African fossil location, represent the oldest known evidence of systematic bone tool production by hominids, according to archaeologist ...