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

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

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 ...

The federal land swap grants thousands of acres of public land to Resolution Copper, following years of litigation, tribal ...

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.

The U.S. Forest Service transferred ownership of Oak Flat to Resolution Copper on Monday, a major setback for opponents of a massive mine at a site the San Carlos Apache Tribe considers sacred.

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 ...

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.

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

A joint venture of the world's two most valuable miners has gained control of former federal land in Arizona needed to build a mine that they say could meet up to a quarter of U.S. copper demand for ...