As a finalist in the NSF Regional Innovation Engine Program, the University of Arizona’s Sustainable Mining Innovation and ...

President Donald Trump signed an executive order aimed at expediting mining projects on public lands, connecting the issue to ...

While Resolution Copper is taking a proactive approach to meet its tremendous water needs, their actions may still have a ...

In recent weeks, you've likely heard a lot about rare-earth substances with hard-to-pronounce names, but experts warn that ...

In a world where most customers now pay by credit card, Arizona has a plan to muck up how businesses process them. This is a horrible idea.

"I quoted Reagan and he quoted Carter," Ciscomani recalled. "We left that event knowing that we didn't agree, but also that ...

It's the largest private investment ever made in Southern Arizona and is getting closer to being fully operational.

Discovered in Arizona’s Copper Triangle, Oak Flat is home to one of the richest copper deposits in the world. But the battle ...

according to the University of Arizona’s Lowell Institute for Mineral Resources. Morenci is the biggest haul of all in the state, and the biggest nationwide in many years. Freeport-McMoRan, the ...

Favorable geological formations and historic mining activity give some states a significant edge in producing critical minerals.

CHEYENNE, Wyo. (AP) — President Donald Trump is taking a step toward granting the U.S. mining industry’s biggest wishes by singling out one metal as a focus of his domestic minerals policy: copper.