Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

Wildlife guide Evans Baudin captured the lightning-fast ambush as killer whales tore through their prey in minutes off the coast of Mexico.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A pod of northern resident killer whales travels together. The same population of orcas was recently seen hunting with Pacific ...

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were ...

Learn about the fatal encounters between two groups of killer whales, bringing the idea of whale cannibalism into question.

SEATTLE (AP) — 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 ...