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 ...

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 ...

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.

According to the aquarium, Old Thom is the only orca regularly seen in North Atlantic waters. Unlike most killer whales that swim in pods, Old Thom is known to swim alone or with dolphins in the Gulf ...

“Not only did we capture such an amazing dataset, but we actually knew each of these whales,” says marine biologist David Gruber, who leads Project CETI, a nonprofit based partly in the Caribbean ...

The fate of 30 captive beluga whales and four dolphins hangs in the balance as Marineland in Niagara Falls awaits final approval for an export permit from the Canadian government. Marineland has ...