The U.S. only produces about half the copper it uses, ranking fifth in production behind Chile, Democratic Republic of Congo, ...

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. The ...

Arizona has an estimated 40,000-100,000 abandoned mines, according to the state's Department of Environmental Quality, though many are not mapped or marked.