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 ...

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 ...

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 ...

March 6 (Reuters) - A dating method based on cosmic rays has identified stone tools found in western Ukraine as the oldest-known evidence of human occupation in Europe - 1.4 million years ago - ...

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 ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) At first glance, it might seem impossible to decipher. But as an experimental ...

John K. Murray does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...