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

Ivanhoe said it is in talks with interested parties both project-level minority investment and long-term debt.

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

As clean energy and electrification drive record demand for copper, the U.S. faces a significant supply gap. Arizona Sonoran Copper Company is tackling that challenge head-on with the advancement of ...

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.

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 ...