Jay Cooke State Park in Carlton County, Minnesota, is turning 110 years old this year. The park is known for its roaring ...

From the column: "Minnesota’s Iron Range helped build America. Today, that same region can help us rebuild the country to ...

A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

who is also the tour director for the nonprofit Minnesota Mineral Club, said he hopes the store can help people get more interested in rocks and gems, and that he looks forward to working with ...

By no longer using a tunnel boring machine, Talon has sidestepped early concerns from the Minnesota Department of Natural Resources about waste rock ... Sulfide minerals that can interact with ...

Inc. and its flagship Emily Manganese Project in Minnesota-the highest-grade manganese deposit in North America, a potential domestic source of manganese, a mineral vital to EV battery production ...