"We will be a sacrifice zone in every sense of that term." Locals fear new massive mining project will have devastating ...

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

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

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

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

fracking and mining seemed to be bearing fruit with the orders, which also include declaring an energy emergency and ...

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 ...

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.

Arizona’s economy was once built on five key industries: copper, cattle, cotton, citrus and climate. While their economic ...

The Center for Biological Diversity and the Patagonia Area Resource Alliance say federal regulators failed to review a petition against Hermosa Mine.

Two environmental groups are suing the U.S. Environmental Protection Agency over what they say are air-pollution problems with a zinc mine in the Patagonia Mountains of southern Arizona.