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; ...

Early humans were living in a balmy Britain 200,000 years earlier than previously thought, say researchers who discovered a set of flint tools. Humans are known to have been present in southern Europe ...

Scientists in China discovered that ancient humans were making surprisingly advanced stone tools during a harsh ice age ...

WASHINGTON — 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 these ...