ROCK SPRINGS, Wyo. (AP) - The largest surface coal mine in Sweetwater County would become an underground mine, under a proposal being reviewed by a federal agency.

Warrior Met Coal, Inc. ("Warrior" or NYSE: HCC) today announced that it will hold its second quarter 2025 investor conference ...

Miners in northeastern Pennsylvania are urging safety after a man was rescued from an abandoned mine shaft in Luzerne County over the weekend.

A retired North Dakota coal mine is set to become the new home of a nickel processing plant.

The expansion permits Signal Peak Energy to extract nearly 60 million tons of coal from the Bull Mountains mine north of Billings.

Following the death of a mine worker in East Tennessee, 6 News is taking a closer look at the dangers of the job.

People have mined coal in Arizona for at least 700 years, but today the only active mine in the state is the Kayenta Mine at the Black Mesa field on ...

Giant shovels, driverless trucks and a dog-like robot have all helped Canada's oil sands companies including Imperial Oil and ...

Bingham Canyon Mine Utah Copper and Boston Consolidated Mining Company built the “largest industrial mining complex in the ...