An icon in the shape of a lightning bolt. Impact Link Everything we know about the group of human ancestors called australopiths comes from just a few dozen fossils. But a skull discovered in Ethiopia ...

(CNN) — A “remarkably complete” skull belonging to an early human ancestor that lived 3.8 million years ago has been discovered in Ethiopia. This is the first time a skull belonging to ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A “remarkably complete” skull belonging to ...

Dusk falls on East Africa's Turkana Basin 4 million years ago, where our early upright-walking ape ancestors, Australopithecus anamensis (foreground), shared their habitat with several coexisting ...