Greenland's mineral riches are an increasing focus of the U.S. and, as the vice president recently warned, America's rivals.

Discovery in China of tools called Quina scrapers suggests the people of East Asia were as inventive and flexible with ...

The tool we've identified is called a Quina scraper. This type of stone tool is well known from archaeological sites in ...

Brazil’s plans to build ports and roads to help move grains, beef and iron ore from the rainforest echo a development vision ...

A style of primitive stone tools named for the French site where they were first discovered have shown up half a world away.