In a rare ocean encounter, two 45-ton whales chase off a whitetip shark to protect a diver from potential danger.

Despite what Jaws led us to believe, shark attacks are pretty rare. That said, there seem to be more shark attacks in America ...

The basking shark’s scientific name, Cetorhinus maximus, roughly translates to “great-nosed sea monster” in Greek. In reality, these placid sharks, found the world over, are totally harmless.