The Trump administration, which has been moving like a juggernaut across the political landscape, has hit a land mine. The ...

Rumors are swirling about Pennsylvania’s Iron Mountain limestone mine. According to its website, Iron Mountain West ...

State officials are taking legal action and sounding the alarm amid a freeze on funds needed to remediate polluting and dangerous mines and underground ...

Apartheid was, first and foremost, a business plan—one that the South African–born Musk seems to be reworking for the modern ...

On Feb. 11, tech billionaire Elon Musk and the Department for Government Efficiency, which he leads, made a series of claims about a limestone mine in Pennsylvania where the U.S. government allegedly ...

Throughout the fall and winter months, an underground fire sent billowing smoke out of a fissure in the mountainside above Kenilworth, Utah. The fire, burning in a coal seam in the historic Kenilworth ...

Billionaire tech mogul Elon Musk drew attention to a circa 1960 converted underground limestone mine in Pennsylvania his team ...

Hundreds of federal workers process thousands of retirement applications every month, by hand in a converted former mine.

In the Oval Office on Tuesday, Elon Musk said the government stores and processes retirement paperwork in an old limestone ...

Lithium extraction may be a done deal for the Thacker Pass region of Northern Nevada, but not without persistent controversy among some Native Americans and environmentalists. In a new, 133-page ...

Participants highlighted concerns about oil and gas drilling, cleanup of sites contaminated by the uranium industry, hydrogen ...