They are quick to multiply. Experts issue warning after finding harmful creatures in US lake: 'This is an important time' ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.

For those looking to explore further afield, Spearfish makes an ideal base camp for day trips to attractions like Devils Tower in Wyoming, Mount Rushmore, or the historic mining town of Deadwood, all ...

Photos from the Montana Grizzlies 52-22 win over the South Dakota Coyotes in the FCS quarterfinals at Washington-Grizzly ...

Eric Henke shot a rare, white pheasant on a frigid morning in December while hunting his farm in North Dakota.