Diseases started jumping from animals to humans at least 6,500 years ago, researchers found in a new study of ancient DNA. After analyzing ancient DNA from 1,313 prehistoric humans from Europe and ...

Newly discovered fossils in Ethiopia show that Homo coexisted with Australopithecus 2.6 million years ago, rewriting the timeline of human evolution. Far from a straight line, early human history was ...

A newly published study has found that males of some of our earliest known ancestors were significantly larger than females. The pronounced difference in body size present in both Australopithecus ...

A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked.

The Nyayanga excavation site in Kenya, in July 2025. Fossils and Oldowan tools have been excavated from the tan and reddish-brown sediments, which date to more than 2.6 million years old. T. W.

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

Fossils unearthed in Morocco are the first from a little-understood period of human evolution and may be remains of a ...

Oldowan stone tools made from a variety of raw materials sourced more than 6 miles away from where they were found in southwestern Kenya. The development of the Oldowan toolkit made it possible for ...

More than a million years ago, early human relatives crossed an enormous sea to reach the Indonesian island of Sulawesi. The discovery pushes back the record of human migration in Southeast Asia and ...