Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago.

Add Yahoo as a preferred source to see more of our stories on Google. Stone tools are deliberately made by the hands of hominins, like these worked on by the author. John K. Murray Have you ever found ...

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Scientists working in a remote region of Kenya have found stone tools dating back 3.3 million years, making them the oldest ever used by our human ancestors. The collection of razor-edged and round ...

At a site in Kenya, archaeologists recently unearthed layer upon layer of stone stools from deposits that span 300,000 years, and include a period of intense environmental upheaval. The oldest tools ...

Evidence suggests the tools were used by the human relative Paranthropus, which scientists previously believed relied only on its teeth and jaws to eat. Scientists have unearthed more than 300 stone ...

Nearly 3 million years ago, hominids employed stone tool kits to butcher hippos and pound plants along what’s now the shores of Kenya’s Lake Victoria, researchers say. Evidence of those food ...

Excavations in an arid, hilly part of East Africa have uncovered 3.3-million-year-old stone tools, by far the oldest such implements found to date. Hominids at Kenya’s Lomekwi 3 site made rocks into ...

A team of archaeologists recently applied high-tech engineering tests to stone tools, and the results suggest that even very early members of our genus, like Homo habilis, knew how to select rocks ...