When Japanese scientists wanted to learn more about how ground stone tools dating back to the Early Upper Paleolithic might have been used, they decided to build their own replicas of adzes, axes, and ...

Man's ancestors transported stones over long distances to craft tools 2.6 million years ago - 600,000 years earlier than previously thought. Stone tools unearthed in Kenya reveal that hominins ...

Nyayanga site being excavated in July 2016. Credit: J.S. Oliver, Homa Peninsula Paleoanthropology Project “The assumption among researchers has long been that only the genus Homo, to which humans ...

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Sharp stone technology chipped over three million years allowed early humans to exploit animal and plant food resources. But how did the production of stone tools -- called 'knapping' -- start?

Along the shores of Africa's Lake Victoria in Kenya roughly 2.9 million years ago, early human ancestors used some of the oldest stone tools ever found to butcher hippos and pound plant material, ...