Narwhals are among the most mysterious animals in the ocean. Known as the “unicorns of the sea,” these Arctic whales carry a ...

A new study analyzing two fossilized whale skulls from around 5 million years ago has revealed fragments of sharks' teeth ...

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

Cetaceans can be split into two main types: baleen whales (which have a sieve-like structure within their mouth to catch tiny ...