A split, three-judge panel from the very same appeals court allowed the controversial transfer to proceed after tossing out a ...

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 ...

Apache Stronghold and its allies allege that federal officials admitted a proposed copper mine would destroy Oak Flat.

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 Resolution Copper mine in Arizona plans to use a large amount of groundwater, potentially jeopardizing the planned Superstition Vistas development and its water supply. Arizona law allows mining ...

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 ...

Journal Editorial Report: The week's best and worst from Kyle Peterson, Allysia Finley, and Kim Strassel. For a lesson in why it takes so long to build anything in the U.S., see Arizona’s Resolution ...

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 ...