The recent sinkholes on I-80 were caused by long-abandoned mines. See the map showing nearly 600 closed New Jersey mines.

But the old mines also left behind a legacy of trouble for today’s Westerners. Abandoned mines dot the Western landscape, polluting the region’s streams with acid mine drainage and connecting the ...

(WKBN) — Millions of structures in Pennsylvania and Ohio are located over old, abandoned underground coal and clay mines — but how do you know where to find them, and how much of a threat do ...

Just because a mine has been exhausted of its ore, that doesn't necessarily mean it has no value. A 2023 study suggests that the shafts of such abandoned mines could serve as energy-storing gravity ...

There are more than 400 abandoned mines across New Jersey. At one point, they were essential to the state economy.

But look more closely and it’s easy to see the marks of American westward expansion. Thousands of abandoned mines remain scattered across these vast landscapes, relics of the land and gold rushes of ...

New Jersey's Department of Transportation is seeking federal assistance in investigating the sinkholes and assure the safety ...

New Mexico could soon be cleaning up some of the hundreds of abandoned uranium mines and other contaminated sites around the ...

Nevada is home to more than 300,000 abandoned mines — mines that can kill you in an almost unimaginable number of ways. But those mines from Nevada’s olden days are attracting a modern-day ...

But, today, that mining has hollowed out the ground beneath us. Pennsylvania’s inventory of abandoned coal mines is larger than that of any other state in the nation, and the Keystone State has ...