Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living today are severely threatened by overfishing and the loss of their habitat.

A group of whitetip reef sharks (Triaenodon obesus) resting under a table coral off the coast of Indonesia, one of the world's current ...

The fascination with the megalodon—a prehistoric giant shark—continues to capture imaginations around the globe. Although scientists firmly believe this apex predator went extinct millions of years ...

Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living ...