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

Oak Flat in Arizona is at the center of a struggle that's going on three decades. Here's everything that has happened with the proposed copper mine.

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

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 ...

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

A group of Apaches filed a last-ditch effort to the Supreme Court to block a copper mining company from destroying a sacred Apache site in Arizona, after the high court denied an effort to block the ...

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

A federal land transfer giving Resolution Copper nearly 2,500 acres in eastern Arizona, including a sacred site for the Western Apache and other Indigenous people, is officially complete.

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

An active medical emergency turned industrial fatality is being investigated at the Kennecott Copper Mine.

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

Apache women petition the U.S. Supreme Court to halt the transfer of federal land in Arizona for copper mining, citing ...