Australopithecus afarensis, an ancient human ancestor who lived around 3 million years ago, spent most of its time walking, instead of climbing trees like chimps.

Fossils of early humans from a South African cave are 3.4 million to 3.6 million years old, a million years older than previously suspected. The discovery is changing our understanding of ...

The skull, probably a male’s, belonged to a species called Australopithecus anamensis, an older relative to Lucy.

New fossils from the outskirts of Nairobi reveal that Australopithecus afarensis lived far eastward beyond the Great Rift Valley, demonstrating how adaptable the early hominid species were to new ...

A sculptor's rendering of "Lucy," Australopithecus afarensis, at the Houston Museum of Natural Science on August 28, 2007. Dave Einsel / Getty Images About 3.2 million years ago, among the ...

One of the most famous fossils in human evolutionary history is known as "Lucy," who belonged to an extinct species called Australopithecus afarensis—an early relative of Homo sapiens who was ...

Lucy, our 3.2 million-year-old ancestor of the species Australopithecus afarensis, may not have won gold in the Olympics – but new evidence suggests she was able to run upright. According to ...

Lucy may be the best-known prehuman fossil in the world. But other famous fossils have given us important insight into our evolutionary history.

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

Studying fossils of Australopithecus afarensis can provide insight into the evolution of bipedalism, or walking upright, and when it emerged in early human ancestors.

There he has recovered fossils belonging to contemporaries of Au. afarensis, including jawbones belonging to a species called Australopithecus deyiremeda and afoot belonging to a yet unidentified ...