Resolution Copper has awarded approximately $110 million in contracts to Major Drilling America Inc. and Redpath USA Corporation to advance exploration and underground development at the proposed ...

One person is dead after an accident at a mine in southeastern Arizona on July 6, according to federal mine safety officials.

The world’s first in-situ copper recovery operation, located 100 km southeast of Phoenix, produced 6.7 million lb. in the six ...

Gunnison Copper plans second Arizona mine that could produce 175 million pounds of copper a year ...

Add Yahoo as a preferred source to see more of our stories on Google. Mine shafts nine, right, and 10, left, tower over the Resolution Copper Mining Company facility, on June 9, 2023, in Miami, Ariz.

U.S. President Donald Trump has slammed an appeals court decision to temporarily block plans to develop a massive Arizona copper project. His comments come shortly after he met the chief executives of ...

Faraday Copper (TSX:FDY) moves into focus as a copper-focused developer amid rising copper demand from electric vehicles, ...

Add Yahoo as a preferred source to see more of our stories on Google. A rainbow arches over Oak Flat, an Apache site, in October 2023. (Molly Peters) President Trump this week threw his full support ...

A U.S. appeals court has temporarily blocked the transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America.

TUCSON, AZ (AZFamily) — 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. Rio Tinto explained ...

Arizona Sonoran Copper shares surged Monday morning after Hudbay Minerals said it would acquire the company in full. Shares of Arizona Sonoran rose 21% to 8.69 Canadian dollars ($6.37), hitting a ...