A group of Apache women has made a last-ditch appeal to the U.S. Supreme Court to intervene in the plan to mine one of the ...

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

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.

GMV Minerals is a junior gold development company focused on advancing its 100%-owned Mexican Hat Gold Project in ...

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

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.

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 as of Monday.

Arizona is poised to have a mine inspector race. The office has a Democratic challenger for the first time since 2018.

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

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 ...

Residents question plans to extend the life of a coal mine for 110 years when the power plant it supplies is set to close in ...

Under the exchange, Resolution Copper--a joint venture of Rio Tinto and BHP Group--received more than 2,400 acres of land near Superior, Arizona, above the copper-rich orebody the companies want to ...