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 ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...

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Observers with New England Aquarium said it's the first time they have documented blue whales in their southern New England ...

A bottlenose dolphin is seen "bow riding," or swimming just in front of a humpback whale, potentially getting a boost from the wave created by the larger mammal. Roving Media via Griffith University ...

A group aboard a whale-watching ship was treated to an incredibly rare sight when a mega-pod of dolphins was spotted flying across the waters. Domenic Biagini, who owns and operates Gone Whale ...

Blue whales, the largest animals on Earth, have been spotted not far off the coast of Massachusetts.

Last month, a blue whale was spotted off the coast in waters near Rhode Island by the New England Aquarium’s Anderson Cabot Center for Ocean Life — an “unusual occurrence” according to a NEAQ press ...

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, ...