The first six transports of uranium ore from the Pinyon Plain Mine in northern Arizona were delivered to Utah last week.

Coconino County Sheriff's Office said Bobby Mason was accused of crashing his drone into the mine and causing numerous car ...

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

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 ...

Most copper comes from Arizona. But Trump’s announcement that he will halt production of pennies won’t make a dent in the ...

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

A coalition of environmental groups is appealing the air permit granted to Hudbay, the parent company of the Copper World ...

The Interior Department is moving to overturn a key Biden administration policy stemming from two court rulings that blocks ...

TUCSON, Ariz. (KGUN) — The Lost Dutchman Mine is a legend passed down from generation to generation here in Arizona. "We just haven't found it yet," said Lost Dutchman State Park Ranger Sara ...

Having hit a run rate of 214 million pounds per annum in 2025, management plans to hit 300 million per annum by the end of ...

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