Dr. Bill Roggenthen, a professor emeritus of geology at South Dakota Mines, has been reading the rocks at America’s Lab since ...

Scientists believe Bear Butte was formed around 65 million yea rs ago when magma (molten rock) from the earth ... in Wyoming and the Black Hills of South Dakota was covered again and again ...

In my mind, there is no argument that our climate is in crisis. The decisions we make regarding climate justice and energy ...

South Dakota state historian Doane Robinson writes to eminent Chicago sculptor Lorado Taft proposing that one of the "Needles" -- spiky rock formations -- of the Black Hills be carved in the ...

Near the Black Hills of South Dakota, there's a state park that rivals the grandeur of Italy's Dolomites. Known for its jagged peaks and slender spire rock formations, the park's Cathedral Spires ...

FORT YATES -- The governors of North Dakota and South Dakota on Monday held a joint visit with tribal leaders at the Standing Rock Reservation headquarters, discussing a wide range of issues ...

South Dakota is not the only Dakota to feature ... the stark and dramatic expanses of the region's badlands, and the impressive rock formations that lie there. Theodore Roosevelt National Park ...