During the Middle Paleolithic—a period spanning about 40,000 to 300,000 years ago, also called the Middle Stone Age—groups such as modern humans, Neanderthals and Denisovans emerged and began ...

While the Paleolithic period involved a nomadic lifestyle and the invention of stone tools, the Neolithic period was ushered in with the development of and settled communities.

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 ...

New research finds early human ancestors during the Stone Age were more picky about the rocks they used for making tools than previously thought.