Old beliefs about early human behavior in East Asia are being challenged by the discovery of a richly-layered archaeological site located in central China. The excavation project at Xigou, led by the ...

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 ...

Oldowan stone tools made from a variety of raw materials sourced more than six miles away from where they were found in southwestern Kenya. In southwestern Kenya more than 2.6 million years ago, ...

Early humans who made some of the oldest known stone tools might have traveled miles to secure the best materials for their construction, new research suggests. Archaeologists traced the origins of ...

Olduvai Gorge in northern Tanzania boasts sediment layers dating back to about 1.8 million years ago. Those layers contain simple stone tools that marked one of the earliest recorded technological ...

WASHINGTON (AP) — 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 ...

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Archaeologists have ...

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 ...

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.