Our understanding of human ancestry has changed dramatically since the discovery of Lucy the ancient hominin 50 years ago.

The thinking of early theorists was that our evolution was a coordinated, linear process. Our ancestors’ brains grew steadily ...

Fifty years ago, the discovery of a human ancestor "Lucy" generated worldwide attention. NPR's Scott Detrow speaks with paleoanthropologist Zeray Alemseged about the legacy of the discovery.

Australopithecus afarensis—the same species as the world-renowned “Lucy” fossil. The anatomy of the feet and the walkers’ gait indicated that A. afarensis was bipedal and moved more like a human than ...

A collection of 3-million-year-old bones unearthed 50 years ago in Ethiopia changed our understanding of human origins.

The 3.2-million-year-old human ancestor known as Lucy sparked a revolution in scientists’ understanding of the origins of ...

Fifty years after a fossil skeleton of Australopithecus afarensis was unearthed in Ethiopia, we know so much more about how ...