Fifty years ago, Donald Johanson found "Lucy," a 3.2 million-year-old fossil. She changed the story of human evolution.

It was already pretty hot by the time Donald Johanson and his graduate student, Tom Gray, arrived at the site at Hadar, ...

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

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

The 3.2-million-year-old fossil, discovered 50 years ago, is considered to be one of the most significant early hominin ...

On the anniversary of Lucy’s discovery, paleoanthropologists reflect on what she means to science, and what she taught us ...

SIMON: Paleoanthropologist Donald Johanson, founding director of the Institute of Human Origins at Arizona State University and the man who found Lucy. Thank you so much for speaking with us.

Arizona State Professor Donald Johanson discovered the Lucy fossil skeleton—dated at over 3 million years old—in Ethiopia 50 ...

NPR's Scott Simon speaks with paleoanthropologist, Donald Johanson, about the 50th anniversary of his biggest discovery, Lucy, an early human ancestor.

NPR's Scott Simon speaks with paleoanthropologist, Donald Johanson, about the 50th anniversary of his biggest discovery, Lucy, an early human ancestor.