It's long been thought that the Southern Resident orcas that live in our region have no predators, but Bigg's orcas might be ...

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

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

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged 34 ...

The discovery came as a surprise, because the two species usually prefer to avoid each other and keep a safe distance.