Researchers have pinpointed three main orca habitats off Australia, with key differences between each area's inhabitants.

Born Free celebrates World Orca Day with some huge news from Canada, and a heart-warming update on our adopted orca.

Orcas live in all the world's oceans, from the Arctic Ocean and Antarctica to warmer tropical seas, and in every single one ...

Marine biologist Carrie Newell photographed four blue whales — the largest animals on Earth — 3 miles off Depoe Bay.

A surge in cases of lumpy skin disease among cattle in Italy and France saw the UK temporarily halt the importation of ...