In rare video footage, a male whale shark has been spotted biting at his female partner during courtship. Before now, we knew very little about the secret sex lives of the world's largest fish ...

Read on to find out about the biggest sharks in the world. The whale shark, Rhincodon typus, is the largest fish in the world. It is found in tropical and temperate oceans, in both deep water and ...

Whales are the largest animals to ever exist on this Earth, outweighing even the dinosaurs. These titans roam the oceans in search of food, but that wasn't always the case. Millions of years ago ...

Only some of the very biggest blue whale specimens might have ... Eighteen bones were recovered from the marine mammal - an early type of whale known as a basilosaurid. These included 13 vertebrae ...

Killer whales are known for being intelligent, which makes them powerful hunters. Now, new research shows how they take down one of the planet's largest animals. NPR's Lauren Sommer has more.

After a 38-foot-long female gray whale washed ashore at Dockweiler Beach, scientists look for a cause of death: 'Each ...