A group aboard a whale-watching ship was treated to an incredibly rare sight when a mega-pod of dolphins was spotted flying across the waters. Domenic Biagini, who owns and operates Gone Whale ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...

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 ...

Researchers have observed dolphins and killer whales hunting together for the first time as part of a new study released on Thursday, Dec. 11. The top predators joined forces to feast on salmon off ...

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 ...

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 than ...

We could all use a buddy to help us track down dinner from time to time. Sarah Fortune, a marine ecologist at Dalhousie University in Nova Scotia, and her colleagues used drones and camera-equipped ...

When a humpback whale became entangled in a craypot line off Kaikōura last week, witnesses described it thrashing in distress ...

Life around the ocean surface can appear strangely similar from a distance. A dorsal fin cuts through the water, a dark body rises briefly to breathe, and then disappears again. Dolphins, whales and ...