Early human ancestors during the Old Stone Age were more picky about the rocks they used for making tools than previously known, according to research published Friday. Not only did these early people ...

Ailsa Chang speaks with David Braun, an archeologist, about his team's discovery of a site in Kenya that suggests human ancestors built tools continuously much earlier than previously thought. So when ...

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.

Researchers discovered tools dating as far back as 11,500 years. The tools could be evidence of the earliest human settlement in Scotland. Nomads likely crossed into the Isle of Skye via Doggerland—an ...