(Reuters) - U.S. President Donald Trump on Tuesday criticized an appeals court's decision to temporarily block federal officials from completing a land transfer needed for Rio Tinto and BHP to develop ...

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 ...

Twenty-one of Arizona's 22 tribes oppose Resolution Copper. Here's why the Oak Flat mine will harm Arizona's water, land and ...

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 ...

Reaching the site of the biggest undeveloped US copper deposit requires a 15-minute drop by steel cage into the sweltering bowels of the Arizona desert. There, more than a mile beneath the surface, ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min A key ruling could allow one of ...

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 ...

After over a decade, the path forward for Resolution Copper in Arizona and the benefits it will bring the state are clear. The critics had their say — in federal permitting, in courtrooms, in Congress ...

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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 ...