On a dive trip in Mexico's Baja California Sur, one diver fondly recalls a trip that put her (almost) face to face with one of the ocean's gentlest giants.

Newborn pilot whales have been spotted mysteriously swimming among pods of orcas. Scientists are trying to puzzle out how the ...

A member of an orca population falsely accused of attacking luxury boats is now missing. Crews monitoring the welfare of the Iberian orcas as they migrate to the Strait of Gibraltar in search of tuna, ...

Fur and hair serve various purposes in different mammal species from wolves to beluga whales. The neocortex is a region in ...