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.

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

The cloud-computing giant will become the first customer for copper produced using Rio’s Nuton bioleaching technology, the mining company said.

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

90.8% Voter Support for Mining Education Underscores Industry's Role as Economic Solution TUCSON, Ariz., Dec. 4, 2025 /PRNewswire/ -- A fourth annual survey, released in partnership by the Arizona ...

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 ...