Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago. The selection of rock type depended on how easily the material could be ...

WASHINGTON (AP) — 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 ...

Early humans were quarrying stone in southern Africa over 200,000 years ago, reveals new research. People quarried rocks for their tools in places they specifically sought out thousands of years ...

Early humans were quarrying stone as far back as 220,000 years ago, revealing surprisingly advanced planning and resource use.

A new study shows that early humans shifted from hunting giants to smaller animals, shaping tools, survival, and intelligence ...

The Nyayanga excavation site in Kenya, in July 2025. Fossils and Oldowan tools have been excavated from the tan and reddish-brown sediments, which date to more than 2.6 million years old. T. W.

Add Yahoo as a preferred source to see more of our stories on Google. The evidence shows that early hominins returned to the same area again and again between 2.75 and 2.44 million years ago. (CREDIT: ...