A major collapse at a key new section of Codelco’s biggest mine is raising questions about the Chilean behemoth’s ability to ...

Arizona is at the heart of the U.S. race to produce more copper domestically, and a planned mine in Casa Grande is clearing ...

A federal judge will hear arguments in a case over a disputed land exchange that would allow construction of a huge copper mine.

The world’s No. 1 copper producer Codelco is reeling from a fatal accident, saying an earth tremor caused a collapse at a new ...

President Donald Trump’s plan to slap a 50% tariff on copper imports is exposing the tangled web of regulations that ...

Four Apache women filed suit in Washington, D.C., asking a judge to block a land exchange needed to build a copper mine at Oak Flat.

Rescue teams found a body inside a section of a Chilean copper mine that collapsed two days earlier during a moderate ...

Copper rose as much as 1.1% on the London Metal Exchange, with trading conditions starting to settle after the White House’s ...