The Trump administration said on Thursday it would approve a land swap needed for Rio Tinto and BHP to build one of the world ...

The fate of Arizona’s proposed Resolution Copper mine rested with the federal courts, but the administration announced ...

The U.S. government said it will move to sell of the copper-rich Arizona site despite a possible Supreme Court intervention.

The Mexican Wolf Recovery Program quarterly updates are produced by the Mexican Wolf Interagency Field Team and provide updates on program activities in the Mexican Wolf Experimental Population Area ...

Republic reporters Robert Anglen and Lauren De Young discuss the latest information on the case of murdered San Carlos Apache ...

If we believed Native American religious beliefs were legitimate, there would be no thought of destroying Arizona's Oak Flat for a copper mine.

"Beyond Fronteras" includes an exhibition at the Santa Cruz County courthouse in Nogales, as well as an online component that focuses on areas like the region’s people, history and ecosystem.