Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago. The selection of rock type depended on how easily the material could be ...

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.

“But I think that the research at Nyayanga suggests that there is a greater diversity of hominins making early stone tools than previously thought.” She says the artifacts at Nyayanga also underscore ...

Archaeologists in central China have uncovered evidence that early humans were far more inventive than long assumed. Excavations at the Xigou site reveal advanced stone tools, including the earliest ...

Niguss Gitaw Baraki receives funding from the Leakey Foundation and the U.S. National Science Foundation. Dan V. Palcu Rolier's work was supported by NWO Veni grant 212.136, FAPESP grants 2018/20733-6 ...