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

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The very first humans millions of years ago may have been inventors, according to a discovery in northwest Kenya. Researchers have found that the primitive humans who lived 2.75 million years ago at ...

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 ...

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 ...

Ancient stone tools are often uncovered in Europe, but it can be difficult to identify who crafted them, as Neanderthals and Homo sapiens coexisted in the region for several thousand years. The makers ...

Archaeologists have uncovered primitive sharp-edged stone tools on the Indonesian island of Sulawesi, adding another piece to an evolutionary puzzle involving mysterious ancient humans who lived in a ...

The first stone tools that ancient humans made were deceptively simple. At least 2.6 million years ago, our ancestors learned to strike stones and break off sharp flakes that could function as knives.