A limestone mine in Pennsylvania, which houses thousands of cabinets and millions of federal retirement papers, has caught ...

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

A FORMER limestone mine now used to store troves of government files is under the microscope of Elon Musk and his DOGE ...

Cleveland-Cliffs said it would temporarily idle two of its Iron Range mines and taconite pellet plants and lay off 630 ...

Cleveland-Cliffs said it is temporarily idling its Minorca mine in Virginia, Minn., as well as part of Hibbing Taconite, two ...

The Iron ore accounts for 70 per cent of the total MCDR mineral production by value, with production reaching 274 million ...

Lawmakers on both sides of the aisle are speaking out after learning hundreds of people are losing their jobs on Minnesota's Iron Range.

A region near the Canadian border, whose mines provide most of the new ore used in producing domestic steel — and cars — has a lot at stake as trade wars intensify.

Fenix Resources has awarded MACA the mining contract for Beebyn-W11, its new iron ore mine in Western Australia’s Mid-West ...

Iron Range mining facilities are facing layoffs but a professor of economics says their roles are likely too valuable to be ...

A pre-feasibility study for Akora’s Bekisopa iron ore project has outlined a 2Mtpa operation with a product grade of 62% ...

Brazil Iron Ltd. has made an offer of about $1 billion to buy a South American mine project owned by Eurasian Resources Group ...