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

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

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

Lucy lived in a wide range of habitats from northern Ethiopia to northern Kenya. Researchers now believe she wasn't the only ...

Paleoanthropologists have learned a lot about Lucy, the world’s most famous hominin fossil, since she was discovered in 1974. And her fossils are still yielding new insights ...

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 ...

Early stone toolmaking marks an important juncture in evolution. The Oldowan stone tools from Hadar, Ethiopia, are among the oldest known, dating back 2.3 million years. Shown from various angles ...

This image shows the position of the fourth metatarsal Australopithecus afarensis (AL 333-160) recovered from Hadar, Ethiopia, in a foot skeleton. Disclaimer: AAAS and EurekAlert! are not ...

Could the fossils found at Laetoli and Hadar, roughly a thousand miles apart and spanning more than half-a-million years, have belonged to the same species? Each of the four dig sites reveals only ...