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

Freeport-McMoRan Inc. FCX and Ero Copper Corp. ERO are prominent copper-focused mining companies benefiting from rising ...

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

WASHINGTON – The U.S. Forest Service transferred Arizona’s Oak Flat to Resolution Copper, advancing a massive mining project opposed by tribes and environmentalists. Supporters say it boosts domestic ...

Copper has pulled back on Iran concerns, creating a buying opportunity for Freeport-McMoRan stock.

Despite being under new ownership, the Resolution Copper president and general manager stresses Oak Flat will remain mostly untouched. Chí’chil Biłdagoteel, as Apaches call it, was listed on the ...

Demand for copper is surging because of demand from new technologies, but suppliers are struggling to keep up, and they are ...

Copper prices are soaring and semand is surpassing supply, so two of the world's leading copper mine companies are stepping up.

By Ernest Scheyder HOUSTON, March 23 (Reuters) - Freeport-McMoRan expects demand for copper for use in electrification, data ...

Resolution Copper is set to start exploratory drilling at Oak Flat after a long-sought land swap is completed.

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

Lundin Mining to acquire additional 5% interest in the Caserones copper mine in Chile and a 30.9% stake in Los Helados ...