Copper mining firm Rio Tinto is partnering with Amazon to provide copper from a southern Arizona mine for the tech giant’s next wave of U.S. data centers.

Mitsubishi is shelling out nearly $600 million as a joint venture partner for an expanded copper mine project in Arizona.

Amazon Web Services signed a two-year copper deal with Rio Tinto to supply AI data centers from an Arizona mine, expecting to extract 14,000 metric tons of copper over four years.

Intrepid Metals Corp. (TSXV: INTR) (OTCQB: IMTCF) ("Intrepid" or the "Company") has closed its previously announced ...

The Johnson Camp Mine in Cochise County has reopened through a partnership between British-Australian mining company Nuton ...

Religious rights advocates and First Amendment experts say the ability of Native peoples to exercise religious rights is at stake with a proposed mine.

Amazon’s US copper deal looks big until you see how much AI data centers actually consume ...

TUCSON, Ariz., Dec. 4, 2025 /PRNewswire/ -- A fourth annual survey, released in partnership by the Arizona Mining Association and the University of Arizona School of Mining Engineering & Mineral ...