A U.S. district judge in Arizona has opened the door for the next round of legal wrangling as environmentalists and some ...

The release of the Final Environmental Impact Statement marks one of the final steps toward transferring Oak Flat to Resolution Copper.

A federal judge in Phoenix has denied motions to halt the transfer of Oak Flat to Resolution Copper ahead of the environmental review publication.

The acquisition includes two Arizona copper mining properties, Antler and Javelin, potentially creating new jobs. The Antler project is expected to produce approximately 33,000 U.S. tons of copper ...

A sacred Apache site east of Phoenix may soon be turned into a two-mile crater to make way for mining of $150 billion worth ...

The opponents of Resolution Copper's plans for a massive mine on land sacred to Apache tribal members have a two-month ...

A federal judge laid out a timeline for the government to advance a contentious land exchange and copper mine but didn't halt ...

Rio Tinto and BHP has taken a major step in developing one of the world’s largest undeveloped copper mines after receiving ...

WASHINGTON — The Supreme Court on Tuesday rejected an appeal from Apaches who are fighting to halt a massive copper mining project on federal land in Arizona that they hold sacred. The justices ...

Miami lies about 125 miles north of Tucson. Eight of Arizona’s top 10 ranked releases in 2018 came from copper mines and smelters. They include Asarco’s Mission Mine complex in Sahuarita ...

Last time this column covered Arizona’s “Five Cs” that underpin our economy. The first, biggest, and most important of the Cs ...

WASHINGTON (AP) — The Supreme Court on Tuesday rejected an appeal from Apaches who are fighting to halt a massive copper mining project on federal land in Arizona that they hold sacred.