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

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

Just a short drive away, the Chiricahua National Monument presents one of Arizona’s most underrated natural wonders. Often ...

Northwest Phoenix is seeing a surge of multicultural development clustering around the Taiwan Semiconductor Manufacturing Co.

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

Turquoise can be found near the surface in ... The nearby Germania Mine operated by the Calumet & Arizona Mining Co. and Phelps Dodge Corp. produced 76,500 tons of copper ore between 1909-40.

an Irish man who arrived with his wife in Arizona during the 1890s. While living in Pearce and working in the mines in the Gleeson vicinity, then known as Turquoise Camp, he discovered a valuable ...

The Supreme Court declined Monday to hear an Apache religious challenge to a copper mine that could turn the tribe's sacred site into a 1,000-foot-deep industrial crater.

“And in her honor, I am proud to sign Emily’s Law to establish the Turquoise Alert in Arizona.” Lewis said the law will not ... Theresa Hatathlie, D-Coal Mine Mesa, said getting Emily’s Law signed is ...

Some 70 teams tested their skills Saturday in a race winding through the historic, turquoise-mining town of Cerrillos ... from the Tombstone Donkey Dash in Arizona to a Weekend at Burney race ...

Freeport also operates large-scale mines in Arizona and Peru ... Tinto boosted its share in late 2022 by acquiring the rest of Turquoise Hill Resources that it didn't own for $3.3 billion.