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

Work on a massive copper mine has begun after the federal government transferred thousands of acres of public land to ...

The transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America is complete.

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.

A group of Apache women has made a last-ditch appeal to the U.S. Supreme Court to intervene in the plan to mine one of the ...

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

In a huge blow to climbing and Indigenous rights, the U.S. Forest Service transferred Oak Flat's 2,422 acres to Resolution Copper.

It’s also one of 60 critical minerals essential to U.S. economic, energy and national security applications, but it has vulnerable supply chains. Arizona State University is partnering with ...

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

A federal appeals court has cleared the way for the Trump administration to transfer Oak Flat to a private copper mining company.

Arizona is poised to have a mine inspector race. The office has a Democratic challenger for the first time since 2018.