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

(CN) – A newly discovered archaeological site in Ethiopia shows modern humans began incorporating stone tools into daily life about 60,000 years earlier than previously thought, suggesting our ...

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 ...