Henry is a sweet and loving pup who loves car rides. He's available for adoption at the Longmont Humane Society.

We’ve all heard of the world’s most massive sharks, both past and present. The megalodon, the great white shark, and the ...

Bull sharks are lingering off Sydney's beaches for longer periods each year as oceans warm, researchers said Friday, ...

The Greenland shark—the world's longest-living vertebrate—is most often associated with cold Arctic waters. However, a new ...

Greenland sharks live for centuries with slow heartbeats and metabolism. Scientists study their longevity secrets.