Arizona is at the heart of the U.S. race to produce more copper domestically, and a planned mine in Casa Grande is clearing hurdles to put it on track for construction to start sometime next year.

PIMA COUNTY, Ariz. (KGUN) — The University of Arizona’s San Xavier Mining Laboratory near Sahuarita is a hands-on learning space for students and a place where people in the industry can ...

Politicians and mining company executives concocted this bill to overturn the Rosemont decision, an Arizona District Court Ruling reaffirmed by the 9th U.S. Circuit Court of Appeals in 2022.