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 ...

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

Researchers analyzed nearly 200 whale-dolphin interactions, and conclude: They sure do seem friendly. Humpback whales (Megaptera novaeangliae) like the ones pictured here with bottlenose dolphins ...

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HALIFAX — Scientists have found evidence that two unlikely collaborators — killer whales and dolphins — may be helping each other find and feast on salmon off the coast of British Columbia. Sarah ...

As io9 explains, researchers in Britain and China studied the genetic material of twelve whale and dolphin species, including bottlenose dolphins and sperm whales (those are the ones you are probably ...

Teamwork makes the dream work, apparently even for some of the most fearsome predators in the ocean. A team of scientists ...

Cetaceans are among the most intelligent creatures in the ocean and many whales have used their big brains to develop cunning ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean, ...

From land-borne pathogens to high-speed vessel strikes, Pacific whales and dolphins are caught in a "perfect storm" where ...