Blue whales are not only the largest animal on earth today but the largest known animal ever to have lived on earth. The largest blue whale ever recorded weighed over 199 tons. Even average-sized blue ...

Humpback whales (Megaptera novaeangliae) like the ones pictured here with bottlenose dolphins (Tursiops truncatus) in Kona, Hawaii, appear to be more open to interacting with fellow cetaceans.

Blue whales making an unusual winter appearance. Humpacks sticking around for months, a pair lunging out of the water in sync with one another in a video making a virtual splash. And thousands of ...

Killer whales and dolphins have been found hunting together for the first time. Canadian scientists said the two species had developed a “strategic allegiance” to hunt salmon in deep water. A study in ...

Preface -- What is a marine mammal? -- Main groups of marine mammals -- Modern taxonomy of marine mammals -- How to look for marine mammals -- Natural history of marine mammals -- Conservation -- How ...

Whale watching season begins in December and with it, the opening of a new exhibit at the Point Vicente Interpretive Center celebrating the cetaceans that can be seen off the coast of Rancho Palos ...

They are some of the most incredible creatures that live in our seas, and many can be seen on a journey to Scotland's coast. Whales, dolphins and porpoises are all members of the cetacean family of ...

A minke whale that had been swimming in the Long Beach Harbor died from domoic acid poisoning, tests show. The poisoning is associated with the toxic algae bloom that has sickened and killed other sea ...

Blue whales making an unusual winter appearance. Humpbacks sticking around for months, a pair lunging out of the water in sync with one another in a video making a virtual splash. And thousands of ...