Europe’s Stone Age has taken an edgy turn. A new analysis finds that human ancestors living in what is now Spain fashioned double-edged stone cutting tools as early as 900,000 years ago, almost twice ...

Hitting on a corner of the blade will cause unpredictable breaks and can damage the hammer. The blade of the hammer should make full contact with the stone, as in the photo on the far right. [3, ...

Anthropologists have confirmed Charles Darwin's speculation that the evolution of unique features in the human hand was influenced by increased tool use in our ancestors. New research from ...

Hand axes from the site of Saffaqah, Saudi Arabia. Palaeodeserts/Ian R. Cartwright Nearly 200,000 years ago, at the confluence of two long-vanished river systems in the heart of Arabia, people climbed ...

When monkeys in Thailand use stones as hammers and anvils to help them crack open nuts, they often accidentally create sharp flakes of rock that look like the stone cutting tools made by early humans.

Ancient hominins needed the right stone tools to butcher their meals, a long-lived technique of food preparation that helped our ancestors' bellies stay full. A 430,000-year-old set of stone tools ...