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

Copper mining firm Rio Tinto is partnering with Amazon to provide copper from a southern Arizona mine for the tech giant’s ...

Amazon Web Services signed a two-year copper deal with Rio Tinto to supply AI data centers from an Arizona mine, expecting to ...

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

Amazon has struck a two-year deal to receive copper from an Arizona mine, for use in its AWS data centers in the U.S.

Oak Flat in Arizona is at the center of a struggle that's going on three decades. Here's everything that has happened with the proposed copper mine.

Amazon’s data centers will reportedly utilize copper from a mine in Arizona that’s leaching metal from ores using ...

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 ...

Copper prices are surging on AI data center demand, and Rio Tinto is emerging as the top miner poised to profit from a looming supply shortage.

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 ...