Amongst all the different killer whale populations around the world, there's only a couple that have been observed doing this ...

Learn all about the unmistakable pilot whale, from their diet and size to life in the pod and why, sadly, they're prone to ...

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep.

New research reveals that orcas around the island of Hokkaido can be split into two distinct forms, offering conservationists ...