Last month, the 9th U.S. Circuit Court of Appeals turned down one of the last surviving legal efforts to challenge the ...

By Ernest Scheyder HOUSTON, March 24 (Reuters) - Rio Tinto aims to open Arizona's Resolution Copper mine by the mid-2030s but may need to export some of its copper concentrate due to the challenging ...

Resolution Copper told the U.S. Supreme Court it would begin exploratory drilling in the Oak Flat area on March 16 after the 9th U.S. Circuit Court of Appeals turned down a bid from a coalition of ...

SUPERIOR, Ariz., Oct. 6, 2025 /PRNewswire/ -- As Resolution Copper continues to invest in developing one of the most significant copper projects in the United States, Sturgeon Electric, based in Miami ...

The U.S. Forest Service has finalized a long-contested land exchange with Resolution Copper, clearing a major hurdle for development of one of the world’s largest undeveloped copper deposits. The ...

In a news release issued March 16, the U.S. Department of Agriculture’s Forest Service says it has completed the Southeast Arizona Land Exchange and issued the final record of decision for the ...

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.

Multi-year agreement comes at a critical time when there is a record demand for food in the Copper Triangle, among Tribal Communities, and in the East Valley SUPERIOR, Ariz., Feb. 6, 2026 /PRNewswire/ ...

The U.S. Forest Service has finalized a long-contested land exchange with Resolution Copper, clearing a major hurdle for development of one of the world’s largest undeveloped copper deposits. This ...

SUPERIOR, Ariz., March 16, 2026 /PRNewswire/ -- The U.S. Forest Service and Resolution Copper, a joint venture owned by Rio Tinto and BHP that represents one of the world's most significant untapped ...