The Super Pit is the largest open-pit gold mine in Australia, and one of the largest in the world. House-size machines dig into a canyon-size hole. Here's a full tour.

An open cut pit at the Ranger uranium mine in the Northern Territory has been capped after 20 years of rehabilitation work. Energy Resources Australia (ERA) began filling in Pit 1 after mining in ...

BOVEY — A permanent fix to control rising water levels in an old Iron Range mine pit is on the way. As part of this year’s bonding bill, the Minnesota Legislature approved $8.875 million for ...

Northshore Mining, based in Silver Bay, plans to expand its taconite pit south of Babbitt into an area that contains sulfur-bearing rock. When sulfur in the soil is exposed to water, the runoff ...

Roberta Dwyer says she gets criticized for using “unique” far too often to describe the proposed U.S. 53 reroute in Virginia, Minn., but she just can’t come up with a better word.… ...

Engie, the owner of Hazelwood, is proposing to fill all or part of the mine pit to become a lake and recreation area. The inspiration comes from the Lausitz, ...

The closed LTV Steel taconite plant is abandoned near Hoyt Lakes, Minn. The prospect remains of returning the site to life as part of Minnesota's first copper-nickel mine owned by PolyMet. PolyMet ...