Rare earths, which President Donald Trump hopes to secure from Ukraine as part of a deal for US aid, are strategic metals ...

Kilauea volcano erupted anew on Wednesday morning, sending lava fountains soaring hundreds of feet into the air. Dramatic ...

U.S. copper imports have risen from 10 percent of demand in 1995 to 50 percent today and are expected to increase to ...

The Trump administration may classify uranium as a critical mineral, unlocking federal funding and fast-track permitting for U.S. projects.

Mass confusion and uncertainty are sweeping through the federal government. Local workers fear not only for their jobs but also their benefits and retirement plans.

The magma system beneath volcanoes may persist even after recent eruptions, a new study finds.

A Hawaiian volcano looks like a scene from Lord of the Rings as it spews lava this week. A United States Geological Survey ...