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

Our ancient ancestors weren’t fumbling with crude rocks. A groundbreaking archaeological discovery in Kenya reveals they had mastered a stone tool technology so effective that they stuck with it for ...

Recent discoveries have suggested that tool-making, an indicator of intelligence, was practiced by pre-human species millions of years prior to the evolution of Homo sapiens. This revelation has the ...

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.

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 ...

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, ...

The findings reveal that humans were using sophisticated hunting tools thousands of years before previously thought ...

This photo provided by the Homa Peninsula Paleoanthropology Project in August 2025, shows Oldowan stone tools made from a variety of raw materials sourced more than 6 miles away from where they were ...