Scientists discover massive deposits of this valuable resource sitting beneath the feet of millions of Americans.

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

Scattered across the United States, hundreds of ... program known as the Earth Mapping Resources Initiative, or Earth MRI, is identifying the high-tech minerals concealed in these mines ...

Beijing’s ban on exporting six valuable minerals highlights America’s reliance on China for many raw materials that ...