Mining continues at the Continental Pit. Nearby is the Berkeley Pit, a site for acid mine drainage that poses an opportunity ...

Rare earth elements are tiny yet essential parts of many of the technologies you use every day. New techniques are making ...

Taconite miners pay a tax for the extraction of resources. Data miners should, too. The specifics may be modern, but the ...

The Carissa Gold Mine at South Pass City has been neglected for nearly 150 years, but experts say treasures still lurk ...

The Carissa Gold Mine at South Pass City attracted thousands of laborers in 1867 - but it was abandoned after just a few ...

Florence might be Arizona’s best-kept secret, hiding in plain sight between Phoenix and Tucson like that middle child who ...

The “Downtown Yuma” arch welcomes Memorial Day visitors to a revitalized historic district that’s shaken off its dusty reputation and emerged as a genuine cultural hotspot. As America’s sunniest city ...

As mines idle and classrooms empty, the ripple effects have communities bracing for an uncertain future amid economic ...

While Chile has long been a global copper mining leader, Argentina still plays only a minor role in the industry. New ...

A rush of proposals to mine the state’s famed “sky islands” with water drawn from overtaxed aquifers is drawing opposition ...