When researchers from the University of British Columbia set out to film the solitary hunting habits of Northern resident killer whales, they expected to see quiet and solitary predators at work.

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on the chin by a killer whale. The dolphin rises above the surface, but the orca ...

(CNN) — A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks ...

Killer whales team up with dolphins to hunt salmon, reveals new research. The apex predators, also known as orca, have been caught on camera for the first time hunting with Pacific white-sided ...

MONTEREY, Calif. -- A rare encounter left a whale-watcher in Monterey County, California in shock when a killer whale attacked a pod of dolphins. Dolphins swam for their lives after encountering eight ...

In the waters off British Columbia, an unusual partnership unfolds. Resident killer whales trail Pacific white-sided dolphins to hunt Chinook salmon, and may even share fish scraps with them, a new ...

From the mighty orca to the enigmatic Risso’s dolphin, these individuals remind us that the dolphin family is far more ...