Two dolphins were found thrashing in shallow water with medics "refloating" one.

A dolphin that harasses fish until they regurgitate their food—then swoops in to steal it—has astonished University of the ...

Dozens of Aussies will be evacuated from Macquarie Island as the threat of an outbreak of the deadly H5 bird flu grows.

Because dolphins are highly social and have natural, smile-like jaw shapes, they're stereotyped as happy creatures. But dolphins are predators, and like other predators, they go to great lengths to ...

A bottlenose dolphin repeatedly chased fish until they spat up food, revealing an unusual food-stealing strategy in nature.

Common dolphins are among the ocean’s most abundant mammals, but they are living shorter lives in the North Atlantic, according to a new study published Oct. 10 in Conservation Letters. The CU Boulder ...

Knowing the age of an animal reveals key information about how long it lives and when it reproduces. But figuring out the age of wild animals is not easy, especially for dolphins. Until recently, ...

Sara Lesser, education supervisor at the Aquarium of the Pacific, said both common dolphins and bottlenose dolphins are year-round residents of Southern California waters. While they share the same ...