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 ...

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

Researchers come 'eye-to-eye with a killer whale' during their Antarctic expedition.

A team of people in a small zodiac boat in the Antarctic Ocean found themselves surrounded by killer whales. Watch them 'spy ...

Tourists were stunned when a pair of orcas tried to hunt a gentoo penguin alongside their ship. Here’s what happened next.