The Trump administration is dropping plans to terminate leases for 34 offices in the Mine Safety and Health Administration.

If you can’t afford the Golden Beauty, a second nugget is also on the auction block. It weighs in at 15.52 ounces, just over ...

The Trump administration has said it plans to move forward with the transfer of land in Tonto National Forest to a company ...

Trump is right to accelerate licenses for commercial underwater operations, but they should be within America’s 200-mile ...

The group Apache Stronghold is vowing to carry on the fight against a massive copper mining project on land the Apaches hold ...

The FleetFlex functionality of AutoMine Surface Fleet enables seamless and simultaneous control of multiple drill rigs.

Discover why MARA stock stands out as a leading bitcoin miner with vertical integration & smart energy strategies.

Note: This is the second in a two-part series on the Orphan Mine. Read the first part online at tucson.com/orphanmine. Aptly named for its isolated location, the ...

Supreme Court rejects appeal to block Arizona copper mine project, allowing sacred site to be transferred to Rio Tinto and ...

Breakthrough discovery reveals gold and precious metals are slowly leaking from Earth's core through Hawaiian volcanoes.