A 4.2 magnitude earthquake struck near Great Falls on Thursday, briefly rattling residents and raising questions about why earthquakes occur in the region.

Discover Starved Rock State Park in Illinois where breathtaking views, stunning canyons, and peaceful trails make every visit ...

As worldwide demand for rare earth elements and other similar minerals rises — as do tensions among the United States, China and now Greenland — South Dakota is experiencing its own debate over its ...

Spearfish Canyon Nature Area in Lead, South Dakota is that rare natural wonder that delivers maximum beauty with minimum fuss – the perfect recipe for a laid-back day trip that feels like a vacation.

This illustrated geologic timescale of Earth focuses on the landscapes, flora and fauna of the West, drilling into the region’s deep history.

As the U.S. prepares for another lunar landing, one woman who spent years working in Flagstaff could soon set foot on the ...