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

A diver off the coast of Mauritius experienced a rare and dramatic moment when two massive sperm whales appeared to protect him from an approaching oceanic whitetip shark. Benoît Girodeau, a ...

What’s more, he and his coauthors posit that megalodon was slenderer than previously thought, closer in build to a sleek lemon shark than a chunky great white, according to the study published ...

The biggest, most formidable shark to have ever roamed the ocean may have been even larger than previously thought, according to a new study. The research, published Sunday in the journal “ ...

A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, the National Park Service announced Monday. The identification was ...