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.

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 ...

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

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.

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

PARKS, AZ (AZFamily) — Residents in a town just outside Flagstaff have been protesting for over a year against a mine that could strip 1,400 acres of forest just outside their community. Now, the ...

A “Hold” Rating for Shares of Arizona Metals Corp. In this analysis, we reiterate our “Hold” rating on the US-listed shares of Arizona Metals Corp. (OTCQX:AZMCF). This rating is consistent with our ...

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 ...

Configurable workflows support high-volume mining lab operations across sites and shifts—without forcing a one-size-fits-all ...

Arizona mining districts originated prior to the formation of Arizona as a territory in 1863. Except for having to pay tribute to a monarch, these self-governing regulations followed the tradition of ...

PHOENIX (AP) — Joe Hart, a businessman and former state lawmaker who served as Arizona's elected mine inspector for 15 years before resigning last year, has died, Gov. Doug Ducey' office announced ...