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

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

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

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

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

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 ...

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

College students have a lot of different ways to compete against one another, whether in sports or groups like chess or ...

James Colquhoun, a skilled metallurgist renowned for his innovation in porphyry copper production, started out as an assayer for the Arizona Copper Co. and also for non-company affiliates. He charged ...