FAIRPORT HARBOR, Ohio — Officials have not named the source of the water that forced Morton Salt to evacuate its underground mine last week — or said how much water there is. The federal Mine Safety ...

FAIRPORT HARBOR, Ohio — In western New York, a salt mine’s collapse drained wells, cracked structures and opened sinkholes. After the mine flooded and mining ended, salty water began rising toward an ...

Sea-based mine warfare is in a state of flux, suspended between decades-old, manned technologies and a long-promised future of multi-domain unmanned drones capable of finding and neutralizing enemy ...

Discover how gold mine grade impacts profitability. Learn about grading methods and find out which mines are classified as ...