What researchers spotted off Cape Cod and the Vineyard recently is something they almost never see in these waters.

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

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

The New England Aquarium's survey team spots endangered blue whales in southern New England, marking the first documentation in the area.

Three endangered blue whales were seen in waters south of Martha’s Vineyard late last month. The New England Aquarium’s aerial survey team spotted one blue whale and then a duo in separate surveys two ...

Here you can spot gray, blue and humpback whales, dolphin pods, sea lions and sharks while enjoying a luxurious beachside ...

The sighting marks the first time endangered blue whales have been recorded in this area of Massachusetts waters.

Aquarium scientists say sightings offer a rare glimpse into the movements of Atlantic blue whales ...

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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 ...

Seeing blue whales outside of their Canadian feeding grounds is rare in the Atlantic. The Western North Atlantic population ...