In 1950, a huge open-pit copper mine opened beside a small town in Arizona. As the mine expanded over the next two decades, ...

It’s also one of 60 critical minerals essential to U.S. economic, energy and national security applications, but it has ...

A Canadian company wants to reopen the San Manuel copper mine more than 20 years after it closed northeast of Tucson.Five takeaways from Sunday's story about a Canadian company's plan ...

Tempe's Arizona Sonoran Copper is suddenly at the center of a billion-dollar chess move, with Hudbay Minerals proposing an all-stock takeover worth about $1.5 billion that would pull the Cactus ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min The Supreme Court's decision not ...

The closed mine in San Manuel could reopen under a deal announced by a Canadian company that also wants to develop a major ...

Add Yahoo as a preferred source to see more of our stories on Google. . Wendsler Nosie has led the fight to protect Oak Flats for almost a decade. (Photo/Apache Stronghold) Guest Opinion. Arizona is ...

BHP Group signed a nonbinding letter of intent with Faraday Copper to explore a deal that could revive the historic San Manuel copper mine in Arizona. The companies said Friday they will evaluate ...

Arizona's mining industry seeks tech-savvy workers, and a new scholarship from Freeport-McMoRan aims to bridge the gap.

Courtland, Arizona was founded in 1908 after copper was discovered in the surrounding hills. Within a few years the town grew rapidly, adding a movie theater, stores, railroads, and a population of ...

Fear sells. But seeing a headline about a copper shortage should excite investors, not scare them. Particularly, investors who have a long-term outlook for basic materials stocks, including mining ...

The Resolution Copper mine in Arizona plans to use a large amount of groundwater, potentially jeopardizing the planned Superstition Vistas development and its water supply. Arizona law allows mining ...