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 ...

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

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

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.

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

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.

New targets build on copper mineralization drilled in 2025 , including 14.4 m at 0.44% Cu (including 0.9 m at 2.10% Cu and 1.5 m at 0.37 g/t Au) in hole AZ25-001, expanding the Property-scale ...

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

The federal appeals court temporarily blocked the land swap right as a public comment period wrapped up. A federal appeals court Monday temporarily blocked a land exchange in Arizona just hours before ...