Add Yahoo as a preferred source to see more of our stories on Google. Mine shafts 10, left, and 9, right, tower over the Resolution Copper Mining Company facility, June 9, 2023, in Miami, Ariz. (AP ...

Add Yahoo as a preferred source to see more of our stories on Google. A rainbow arches over Oak Flat, an Apache site, in October 2023. (Molly Peters) President Trump this week threw his full support ...

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 ...

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 ...

SUPERIOR, Ariz., June 16, 2025 /PRNewswire/ -- Resolution Copper welcomes today's republication of the Final Environmental Impact Statement (FEIS) by the U.S. Forest Service (USFS)—a positive step ...

President Donald Trump’s plan to slap a 50% tariff on copper imports is exposing the tangled web of regulations that have long stifled America’s ability to mine and refine its critical minerals. While ...

A U.S. appeals court has temporarily blocked 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.