A recent court ruling allows one of world’s largest mining companies to move forward in an area of religious and cultural ...

A new copper project in Arizona that made its first metal this month is ramping up and is expected to make its owner the ...

An Arizona land auction for a Canadian mining company's Copper World project faces opposition from residents and Pima County.

Step inside Arizona’s mining past with a tour that drops you underground and reveals the grit, history, and charm of old Bisbee.

The Resolution project is set to produce more than 18mt of copper throughout its lifespan.

Oak Flat in Arizona is at the center of a struggle that's going on three decades. Here's everything that has happened with the proposed copper mine.

The transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest ...

The U.S. Forest Service transferred ownership of Oak Flat to Resolution Copper on Monday, a major setback for opponents of a ...

Arizona's technology sector is rapidly expanding into semiconductors, data centers and clean energy — and copper is essential ...

Arizona’s multibillion dollar mining industry wants Republicans in the state legislature to prod the Trump administration to ...

Miners sitting atop one of the largest copper deposits on the planet took a step toward production this week when the U.S.

TUCSON, Ariz., Dec. 4, 2025 /PRNewswire/ -- A fourth annual survey, released in partnership by the Arizona Mining Association and the University of Arizona School of Mining Engineering & Mineral ...