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, ...

The coming Resolution Copper mine in Oak Flat is a big investment in Arizona's future. It's time to move on from delays and start working.

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 ...

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 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 ...

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 ...

President Donald Trump on Tuesday blasted an appeals court's decision to temporarily block federal officials from completing a land transfer needed for Rio Tinto and BHP to develop Arizona's ...

As a lifelong member of the San Carlos Apache Tribe, I am proud of our unique history and traditions that have been passed down from generation to generation. My late grandmother, Mable ...

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