NEW YORK (AP) – By taking a wrong turn in a dry riverbed in Kenya, scientists discovered a trove of stone tools far older than any ever found before. Nobody knows who made them – or why. At 3.3 ...

Discoveries in East Africa of what may be the oldest expertly sharpened stone implements suggest that early members of the human genus, Homo, invented these tools by around 2.6 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 ...

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 ...

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 ...

The latest findings suggest that separate groups of early humans invented stone tools on multiple occasions David R. Braun Members of the Homo genus have been making stone tools for at least 2.6 ...

In addition to using rocks for various purposes, such as cracking open a seed or fruit to extract the edible part, the Bearded or Black-Striped Capuchin (Sapajus libidinosus), a species of wild monkey ...