By Ernest Scheyder HOUSTON, March 24 (Reuters) - Rio Tinto aims to open Arizona's Resolution Copper mine by the mid-2030s but ...

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 recent court ruling allows one of world’s largest mining companies to move forward in an area of religious and cultural ...

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 ...

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 copper deposits, have completed a Federal land ...

The transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America is complete, but a group of Apache women is ...

US President Donald Trump welcomed Rio Tinto CEO Jakob Stausholm and incoming CEO Simon Trott, as well as BHP CEO Mike Henry, to the Oval Office on Tuesday to discuss the developments around a vast ...

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 ...

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 ...