Scientists found shark teeth inside fossil whale skulls, revealing how sharks fed on whales millions of years ago.

WARNING, GRAPHIC CONTENT: The footage shows several orcas taking turns with the carcass, highlighting their cooperative ...

Researchers were on an expedition in Dominica when a pod of enormous sleeping sperm whales appeared in front of them.

Results of a partial necropsy and tissue tests taken from the sperm whale that washed up on Nantucket's south shore late last ...

Whale sharks are the largest species of fish on the planet. They are among the largest animals to have ever lived. Only blue whales, sperm whales, and humpback whales (all mammals) are larger. The ...