Scientific analysis of "cannibal" killer whales might seem shocking at first glance, but it might also indicate that our ...

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 ...

A wildlife photographer out on a whale watching trip in waters off Seattle captured dramatic video and photos of a pod of killer whales hunting a seal that survived only by clambering onto the stern ...

A trio of mysterious killer whales spotted in Vancouver Harbour last week has sparked excitement among marine researchers ...