UNITY TOWNSHIP, Pa. (KDKA) - At least another full day of digging will be needed to find a woman who is believed to have been swallowed by a sinkhole behind a restaurant in Westmoreland County, ...

"It's a great opportunity to truly dig in and solve what hasn't been solved for 100 years," said Jeff Graves, director of the program. Stuck between a rich past and uncertain future, Colorado’s ...

The West Virginia Legislature has passed bills that have drawn concern from the United Mine Workers of America over how they would change state mine oversight. The Legislature passed Senate Bills 883 ...

TAMARACK — A company hoping to build an underground nickel mine in Aitkin County has submitted its plan to state regulators, kicking off a years-long environmental review and permitting process. In ...

NEW JERSEY — An unstable crater in the forest floor is just another reminder of the state's rich mining history and the many tunnels left behind and hiding just under the surface. Timothy Rack stands ...

The state is conducting a subsurface drilling project to determine the true extent of the coal mine fire smoldering under Marshall Mesa and come up with a plan to possibly work to mitigate it. The ...

Some voters are surprised every four years to see the office of state mine inspector on the ballot. The race has been a snoozer in recent elections. But now the term-limit clock has caught up with ...

The Lake Vermilion-Soudan Underground Mine State Park in northern Minnesota has closed tours to their underground mine due to flooding. Last week, the mine was hit with 7.6 inches of water in less ...

Almost two dozen Donegal-area residents and environmental activists urged state regulators Wednesday to reject a mining company’s request to renew its permit to discharge water from its Donegal ...