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

In 2021 and 2023, hundreds of dolphins were stranded in shallow waters in San Antonio Bay in northern Patagonia. Some died, ...

Researchers are investigating the sighting of three killer whales in Puget Sound that do not match any known regional ...

Dramatic footage shows several killer whales circling and feeding on a blue shark off Baja California Sur, Mexico. Wildlife videographer Evans Baudin filmed the orcas taking turns with the carcass, a ...

In 2022, a Russian whale researcher made a remarkable discovery on Bering Island off Russia's Pacific coast: a severed killer ...

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

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

A trio of mysterious killer whales spotted in Vancouver Harbour last week has sparked excitement among marine researchers ...

Wikie and Keijo, stuck in unhealthy situations in France, deserve a safe place of refuge now, not promises of a better life that may not materialize.

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 ...