The area is separate and just south of where Twin Metals has proposed building its underground copper-nickel mine.

MINNEAPOLIS (AP) — A study shows the proposed Twin Metals Minnesota copper-nickel mine in northeastern Minnesota would be economically competitive, profitable and sustainable for 30 years, the project ...

The head of a Chilean mining company that wants to open a copper-nickel mine on the edge of the Boundary Waters Canoe Area Wilderness says a new import tax on copper could help the project.

Foreman Steve Lipscomb, 42, who became trapped in the Rolling Thunder Mine on Saturday, was last seen attempting to get his ...

With a hotly contested plan to mine near Georgia’s Okefenokee National Wildlife Refuge waiting on final approval, the federal agency in charge of the sanctuary has floated a new expansion plan that ...

Proposed mines in northern Minnesota face an easier path with the presidential victory of Donald Trump — who has promised multiple times to re-invigorate mining in the state’s Iron Range. Trump has ...

A company's plan to mine minerals near the edge of the Okefenokee Swamp and its federally protected wildlife refuge neared final approval Friday as Georgia regulators released draft permits for the ...

With a hotly contested plan to mine near Georgia’s Okefenokee National Wildlife Refuge waiting on final approval, the federal agency in charge of the sanctuary has floated a new expansion plan that ...

Gov. Patrick Morrisey says crews have found the body of a coal miner who went missing when a mine flooded in West Virginia.

SOUDAN — Minnesota’s oldest and most famous underground mine will reopen for public tours in May after a $9.3 million restoration project kept it closed for more than two years. The Soudan Underground ...