Learn more about the colorful and shiny stones that were turned into tools as many as 40,000 years ago, which were sometimes ...

Photo: Gregor Bader The Mgwayiza Valley in Eswatini A new study has shown that as early as the Stone Age, people in Africa ...

A meteorite is a meteoroid that "survives" a trip through Earth's atmosphere and lands fully intact, according to NASA. The ...

The Defense Department is buying $400 million of stock in rare-earth mining company MP Materials as it seeks to boost ...