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

WASHINGTON — Old Stone Age humans were more picky about the rocks they used for making tools than previously known, according to research published Friday. Not only did these early people make tools; ...

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 ...

AMD is one of the rarest documented genetic disorders. Only around 10 million people in the world carry the altered NPR2 gene, and of those, just 3,500 are estimated to display the physiological ...

Imagine a world free of smartphones, electricity, and even the concept of a wheel. That was the reality for our distant ancestors during the Stone Age. While their lives might seem unrefined when ...