Hundreds of brave Coloradans gathered at Horsetooth Reservoir in the early hours of Saturday morning for a 5K race that ended in a polar plunge. The "Polar Bear 5K and Polar Plunge" takes place each ...

Only a few million years ago, Hyenas lived very different lives from what we know today. Hyenas weren’t always able to eat bones. In fact, only a few million years ago, they lived very different lives ...

Archaeologists have unravelled the mystery of a strange skeleton from Belgium consisting of bones from five people who lived 2,500 years apart. The skeleton, unearthed in the 1970s at a Roman cemetery ...

A dinosaur named for a demon dog in “Ghostbusters” had a sledgehammer attached to its rear. A new study found it could both shatter shins and woo potential mates. By Jack Tamisiea To ward off ...

Have you ever heard the term crepitus? Probably not! But you do experience it every day. Crepitus is the grating, grinding, or crackling sound that accompanies the sensation produced by movement of ...