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

Rio Tinto shares jumped as investors bet on rising copper demand from AI infrastructure and electrification. The company is also advancing the Resolut ...

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.

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 ...

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/ ...

As demand for copper surges, the U.S. faces a growing contradiction: broad agreement on the need for domestic supply and ...