And these declining shark populations are bad for ecosystems, as these apex predators keep food webs in balance. Sharks help to keep fish populations healthy by weeding out sick and weak animals ...

This summer, we’ll look at three shark species with notorious reputations ... just because of how many people they bite. As apex predators, they act as a crucial balancing force in ocean ...

Apparently these deadly predators were the reason why whales were much smaller millions of years ago. Few fish are as steeped in myth and conjecture as the megalodon, a giant shark that lived ...