Learn about the fatal encounters between two groups of killer whales, bringing the idea of whale cannibalism into question.

In 2022, a Russian whale researcher made a remarkable discovery on Bering Island off Russia's Pacific coast: a severed killer whale fin marked with the teeth of another killer whale. In 2024, it ...

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 ...

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 ...

Washington State now requires boats to stay 1,000 yards from Southern Resident killer whales, a rule effective in early 2025.

With the Salish Sea visible to the west, more than 200 people packed the Edmonds Waterfront Center auditorium March 12 to ...

Two severed fins bearing the tooth marks of other killer whales have raised a troubling question: are some orcas hunting ...

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

On March 6, three orcas showed up in Canada’s Vancouver Harbour, later heading south to Seattle, Tacoma and Olympia, that ...