Researchers in New Zealand saw a colorful blob on top of a shark’s head. When they looked closer, they realized it had eight ...

A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its back off the coast of New Zealand.

They can sprint at 30 mph but no one really knows how fast they can go. But one thing is for sure; this shark was built for speed. Like dimples on a golf ball, this shark has specially textured ...

As one of the largest predators to have ever lived, megalodon captures people's imagination - and for good reason. But was this apex predator simply a beefed-up great white shark, and is it still ...

Individuals range in size from 6.5 to 10.5 feet in length. Sand tigers are the only shark known to come to the surface and gulp air. They store the air in their stomachs, which allows them to ...