The Arizona Game and Fish Department is helping move Rocky Mountain bighorn sheep from the Morenci copper mine to help boost ...

With a strong resource base and robust economics, Arizona Sonoran is positioned to become a cornerstone of U.S. copper production. The company is focused on delivering long-term value while helping to ...

What was billed as a routine water-conservation workshop became a surging forum for community worry over Hudbay Minerals’ ...

The Santa Cruz copper project is poised to become one of the US’s next major domestic producers of refined copper.

As the Arizona Trail winds past the proposed Oak Flat copper mine, the search for climate solutions takes on new meaning.

President Trump signaled support for a giant copper mine in Arizona following a meeting with the heads of two of the world's biggest mining companies, a day after the project was delayed by a court ...

In the midst of a bleak economy and big losses in construction jobs, Arizona's copper star is shining brightly. Employment in the state's copper industry increased 25 percent last year, according to ...

A proposal that would claw back federal wetland protections is also poised to reduce the number of permits for mining.

Once a bustling copper town, this rural Arizona community near Tucson now draws attention for its low costs, desert scenery, and rich history.

MELBOURNE (Reuters) - BHP Billiton has agreed to sell its Pinto Valley copper mine and a railroad in Arizona to Capstone Mining Corp for $650 million (418 million pounds), reaping far more than ...