Add Yahoo as a preferred source to see more of our stories on Google. Sit of Hudbay Minerals Inc.'s Rosemont project, later renamed Copper World south of Tucson. The project that was the subject of a ...

Clamp a royalty on minerals and metals mined on federal lands in the United States? Congress is considering doing so as part of an effort to radically change the General Mining Law. It would be a ...

A Colorado School of Mines study finds that leftover ore in U.S. mines contains vast quantities of critical minerals needed for clean energy technologies. Extracting even small percentages of these ...

Sit of Hudbay Minerals Inc.'s Rosemont project, later renamed Copper World south of Tucson. The project that was the subject of a court ruling that reinterpreted the General Mining Law of 1872. (Photo ...

Nevada lawmakers are once again taking the lead in a bipartisan effort to reverse a court ruling adopting a stricter interpretation of a 150-year-old federal mining law. Mining developers in the West ...