Two groups of killer whales are engaging in a terrifying, bloody cannibalistic war beneath the ocean’s surface, where gangs ...

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...

A group of orcas swims together in the North Atlantic near Norway. The whales stay close as they move through the ocean.

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, ...

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly intelligent creatures, capable of complex hunting strategies. They also engage ...

Detached orca fins scored with distinctive tooth marks suggest that killer whale cannibalism is happening — and it might ...

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

New Canadian-led research into northern resident killer whales suggests even when food is plentiful, orca moms struggle to ...

"The whales generated so much excitement in the community with thousands of people getting to see them from all over." ...

In a city shaped by the presence of resident orcas, Intiman Theatre presents The Orca Show, a genre-blending comedy cabaret created, written, and performed by international theater maker Aysan Celik.

Proposed changes to the federal Marine Mammal Regulations would increase the distance boats are allowed to approach southern resident killer whales from 200 metres to 1,000 metres.

Orcas appear in Vancouver Harbour from time to time and often delight residents who catch a glimpse of them. But marine ...