The American researcher talks to EL PAÍS about how walking upright was the starting point for our brain enlargement and our ...

Newly discovered fossil footprints indicate two different ancient human relatives walked upright around a muddy lake in Kenya ...

When the parts were assembled, her arms resembled chimpanzee arms and her skull suggested a chimpanzee’s skull. But her ...

“There was a lot of opposition as to the meaning of the diversity in the specimens,” Johanson explained. Some researchers ...

Reportedly, Dr. Johanson returned to camp in 1974 with some of Lucy’s fossilized remains, and as team celebrated, someone ...

In pursuit of knowledge, the evolution of humanity ranks with the origins of life and the universe. And yet, except when an ...

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

Lucy quickly became a celebrity of the fossil record. As a kid growing up in Connecticut, Johanson got a book from a neighbor ...

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

Perhaps most importantly, Lucy’s discovery foreshadowed a series of fossil finds that filled in the scientific picture of her species. By 1978, enough evidence had accumulated to establish Lucy as the ...