The mighty megalodon is the most famous prehistoric shark, a huge predator that roamed the oceans from 23 to 2.6 million ...

A humpback whale stays by the side of a whale entangled in fishing gear. He spent more than five hours by her side, swimming below her and raising her to the surface to breathe. Photograph By Dan ...

FWC biologists captured video of a great white shark off the Florida Gulf Coat in a "rare and thrilling sighting." ...

Whale sharks are the biggest fish in the world, but much about them remains unknown. Like many types of sharks, they give birth to live young, though no one has witnessed a baby whale shark being born ...

A new study based on two decades of data shows what happens in an ocean ecosystem without great white sharks. Great white sharks, like this one pictured in 2014, were once common residents in the ...

But that’s not true. Megalodons are extinct. They died out about 3.5 million years ago. And scientists know this because, once again, they looked at the teeth. All sharks – including megalodons – ...