Scientists say dolphins and orcas have teamed up to hunt salmon off British Columbia. It’s the first time such behavior has been documented between the two mammals.

Dolphins are social creatures that, like all of us, get old. Signs of aging in dolphins include less energy, changes to skin, ...

Common dolphins in the North Atlantic are living significantly shorter lives, with female longevity dropping seven years since the 1990s. Researchers found this decline by analyzing stranded dolphins, ...

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 ...

A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, patiently work a mesh net around a pod of river dolphins. They draw it ...

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