The transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest ...

Rio Tinto's joint venture with BHP has gained ​control of acreage in Arizona needed to build the Resolution Copper mine after ...

By Ernest Scheyder March 16 (Reuters) - Rio Tinto said on Monday it has gained control of acreage in Arizona needed to build ...

Rio Tinto and BHP’s legal win was a milestone in their bid to establish a copper mine in Arizona that has been caught in ...

Resolution Copper is set to start exploratory drilling at Oak Flat after a long-sought land swap is completed.

Mining majors Rio Tinto and BHP have secured key land needed to advance the Resolution Copper project in Arizona, following ...

A group of Apaches filed a last-ditch effort to the Supreme Court to block a copper mining company from destroying a sacred ...

March 13 (Reuters) - An employee of a contracted company died on Thursday following an incident at Rio Tinto's Kennecott mine ...

Copper has pulled back on Iran concerns, creating a buying opportunity for Freeport-McMoRan stock.

A federal appeals court has cleared the way for the Trump administration to transfer Oak Flat to a private copper mining company.

WASHINGTON – The U.S. Forest Service transferred Arizona’s Oak Flat to Resolution Copper, advancing a massive mining project opposed by tribes and environmentalists. Supporters say it boosts domestic ...

Lundin Mining to acquire additional 5% interest in the Caserones copper mine in Chile and a 30.9% stake in Los Helados ...