It proved to be the first of 47 bones of a single individual – an early human ancestor whom Johanson nicknamed “Lucy.” Her discovery would overturn what scientists thought they knew about ...

To get a picture of how Lucy's species, Australopithecus afarensis, moved, scientists compare fossils to the bones of modern humans, as well as to the anatomy of "knuckle-walking" primates like ...

The team first scanned Lucy’s bones, which represent about 40 percent of her complete skeleton, using X-ray computed tomography. The technique allowed them to peer deep into the fossils, and trace the ...

A reconstruction of the famous Austrolopithecus afarensis Lucy. Which hominin made the bone tools at Olduvai Gorge remains a mystery. Our ancestors were making tools out of bones 1.5 million years ago ...