SUPERIOR, Ariz., Nov. 5, 2025 /PRNewswire/ -- Resolution Copper has reached a major milestone with the completion of its multi-year, $200 million rehabilitation and deepening of the historic No. 9 ...

Ninth Circuit judges appeared to grapple Wednesday during oral arguments with the potential harms of their decision on ...

SUPERIOR, Ariz., Oct. 13, 2025 /PRNewswire/ -- Rio Tinto, the majority owner of Resolution Copper, has donated $1 million to support flood relief efforts in the City of Globe and Town of Miami, ...

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 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 ...

(Reuters) - Rio Tinto Ltd said on Monday it would invest an extra $302 million to develop its Resolution copper project in the U.S. state of Arizona, as it looks to expands output to meet the ...