Arizona's Republican Senate president is hoping the Trump administration will undo actions by former presidents that curtail ...

Most copper mined in the U.S. comes from Arizona. But President Donald Trump’s surprise announcement that he will halt ...

A northern Arizona man is facing a slew of charges after his drone crashed into a uranium mine operation outside Grand Canyon ...

Freeport-McMoRan has a mining location south of Tucson near Sahuarita and a technology center in Tucson. The company has worked with Sahuarita Unified School District, supporting students to ...

The company that owns a uranium mine near the South Rim of the Grand Canyon has resumed trucking ore from the site. It ...

In one of his first secretarial orders, Doug Burgum ordered staff to review public lands with an eye toward opening them to ...

Trump’s halt to minting of pennies won’t harm Arizona copper industryMost copper mined in the U.S. comes from Arizona. But ...

KGUN 9's Pat Parris explores the legend of the Lost Dutchman Mine in the Superstition Mountains. It's a tale of a search for gold that's never been found--a tale that's Absolutely Arizona.

Most copper mined in the U.S. comes from Arizona. But President Donald Trump’s surprise announcement he will halt production ...

A fire in mid-October at a new Freeport smelter in Indonesia damaged its operations. In the fourth quarter earnings call, management lowered its expectations for copper production in 2025 from 4.2 ...

The Arizona Department of Environmental Quality air quality permit was issued for Copper World, an open-pit mine complex that ...

An Arizona lawmaker is urging the Trump administration to reconsider federal land protections near the Grand Canyon to allow for mining.