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

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

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 fossil, discovered 50 years ago, is considered to be one of the most significant early hominin ...

Very few people had been to this region of Ethiopia, and people began launching their own expeditions and finding even more exciting things in some ways. But I think that Lucy was the spark.

Lucy’s discovery transformed our understanding of human origins. Don Johanson, who unearthed the Australopithecus afarensis ...

In 1973, when Don Johanson found a surprisingly human-looking fossil knee at Hadar in Ethiopia that tuned out ... in the story of human origins. "Lucy" -- named for the Beatles song "Lucy in ...

They call them Denisovans. How have views of Lucy changed over the last 50 years? Donald Johanson is pictured here in Hadar, Ethiopia, in 1974. - Courtesy Institute of Human Origins/Arizona State ...

An old photo of Donald Johanson sitting in the dirt and excavating a bone The modern story of Lucy began on Nov. 24, 1974, in Hadar, Ethiopia. Johanson and then-graduate student Tom Gray stumbled ...

When palaeoanthropologist Donald Johanson discovered a bone fragment at the Hadar fossil site in Ethiopia in 1974 ... Johanson’s find became known as Lucy – named after the Beatles song ...