How to outsmart a killer whale during an unexpected encounter.

Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory ...

Killer whales migrate thousands of kilometers across oceans, because it's good for their skin? Hosted by: Hank Green Huge ...

Researchers identified two ecologically distinct communities of transient killer whales along the West Coast, each with unique hunting behaviors, habitats, and social networks.

Here are 10 of the most effective predators in the ocean – and you might be surprised which one comes out on top ...