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

To get to Clifton, you have to really want to get to Clifton. The nearest big city is Tucson, about three hours away. After spending the night at an uncharacteristically ratty Holiday Inn Express in ...

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.

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

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

All those foreign mining companies sniffing around — scooping, drilling, digging, and blasting through southern Arizona’s Sky Islands and its most biodiverse hot spots — they’re promising the world to ...

Plan your next getaway to this Arizona town, where history, arts, and local culture make every visit unforgettable.