While early human ancestors started making stone tools at least 2.6 million years ago, bone tools took much longer to appear. The earliest signs of a regular use of bone tools hadn’t shown up in the ...

WASHINGTON — 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 ...

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, ...

Namorotukunan is different; the three separate horizons, spaced across thousands of generations, have almost identical tool-making patterns. You see mostly sharp flakes and simple stone cores. Between ...

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 ...

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Have you ever found yourself in a museum’s gallery of human origins, staring at a glass case full of rocks labeled “stone tools,” muttering under your breath, “How do they know it’s not just any old ...

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 ...