Two San Manuel men were arrested after Pinal County sheriff’s deputies say they found them in hand-dug tunnel they used to access an abandoned mine shaft so they could steal copper from the BHP ...

The gaping mouth of Resolution Copper Mining’s No. 10 shaft is 28 feet across and opens into a sheer drop of nearly 7,000 feet, making it the deepest continuous mine shaft in the United States.

A company planning to build a large copper mine in central Montana will need to construct a pond for treated wastewater in order to comply with state water quality rules. The Bozeman Daily ...

UNITY TOWNSHIP, Pa. — The team looking for a missing Pennsylvania woman believed to have fallen into a sinkhole has determined that an abandoned coal mine is too unstable for people to safely ...

The Escondida mine, in Chile. (Bloomberg) -- Workers at the world’s biggest copper mine voted to strike, overwhelmingly rejecting owner BHP Group’s final wage offer, in a move that will stoke ...