Small organisms such as plankton get stuck in their gill rakers and the shark then consumes the food. Filter-feeding sharks include whale sharks, megamouth sharks and basking sharks. These species ...

A humpback whale briefly engulfed a kayaker off the coast of Chile in an incident caught on camera. Experts say it couldn't have swallowed him even if it wanted to.

It may have been comparable in length to today's biggest whale sharks, the largest of which has measured in at 18.8 metres. Without a complete megalodon skeleton to measure, these figures are based on ...

It's bigger than the biggest whale shark, which is the largest fish found ... How big are the megalodon's teeth? Watch the video above to see how big the megalodon's tooth compares to that of ...

Despite having about 3,000 tiny teeth, whale sharks use their expansive mouths to filter feed, consuming plankton and small ...

Because sharks shed their teeth throughout their lifetimes and leave bite marks on escaped prey, it would be easy for us to detect the presence of an enormous whale-hunting shark even if the shark ...

Sperm whales are the largest toothed whales in the world, reaching 45 tons and living for decades. Their populations were imperiled by historic whaling practices and they are still considered rare ...

The 39-foot gray whale carcass was discovered floating off Marina del Rey on Saturday with most of its head missing.

The killer whale pod in Mexico hunts and attacks much larger whale sharks by targeting them from below, a study finds Orcas — also known as killer whales — are once again on the offensive.