For centuries, massive teeth washing ashore left people wondering what kind of monster once ruled the seas. Those teeth belonged to the megalodon, the largest shark to ever exist. In this video, ...

The blue whale is the largest animal known to have ever lived, reaching lengths of nearly 100 feet and weighing more than 300 ...

The ocean is home to some of the most awe-inspiring creatures on Earth, many of which dwarf anything found on land. From massive whales to elusive deep-sea dwellers, these giants of the sea ...