WASHINGTON (AP) — The Supreme Court on Tuesday rejected an appeal from Apaches who are fighting to halt a massive copper mining project on federal land in Arizona that they hold sacred. The justices ...

The San Carlos Apache Tribe has petitioned the U.S. Supreme Court to review a decision by the Arizona Supreme Court that permits Resolution Copper Mining, LLC—a partnership of Rio Tinto and BHP—to ...

SUPERIOR, Ariz., April 19, 2025 /PRNewswire/ -- Resolution Copper welcomes the White House's announcement designating the Resolution project as part of the Federal Permitting Improvement Steering ...

PHOENIX — Resolution Copper donated $1 million to help with flood relief efforts in the Globe-Miami area, the underground copper mine joint venture owned by Rio Tinto and BHP announced on Thursday.

SUPERIOR, Ariz., June 16, 2025 /PRNewswire/ -- Resolution Copper welcomes today's republication of the Final Environmental Impact Statement (FEIS) by the U.S. Forest Service (USFS)—a positive step ...

The decade-long legal saga over Resolution Copper’s planned copper mine in Superior has a new twist with involvement from an Arizona politician. Arizona’s newest member of Congress, Rep. Adelita ...

The MarketWatch News Department was not involved in the creation of this content. SUPERIOR, Ariz., Nov. 5, 2025 /PRNewswire/ -- Resolution Copper has reached a major milestone with the completion of ...

SUPERIOR, Ariz., Aug. 1, 2025 /PRNewswire/ -- Resolution Copper has been awarded the 2025 Safety Award for Small Underground Mine by the Rocky Mountain Mining Institute (RMMI), recognizing the ...

Resolution Copper Co., which is looking to develop an underground mine three miles east of Superior, may spend $1 billion before its mine is even built, the company's president said Friday. David ...