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

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

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

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called resident orcas, stay in such large family groups ...

MSC Cruises partners with ORCA to advance Alaskan whale protection through marine research, crew training, and science-led cruise operations.

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

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

A study in 2018 revealed that some orcas are able to imitate human speech, mirroring words such as 'Amy', 'Hello' and 'Bye ...

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

Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

A killer whale was filmed delivering a high-speed strike to a giant ocean sunfish during a rare underwater hunt in Baja California Sur, Mexico. Wildlife videographer Evans Baudin captured the moment ...

In 2021 and 2023, hundreds of dolphins were stranded in shallow waters in San Antonio Bay in northern Patagonia. Some died, but many were returned safely to the sea. But what remained a mystery until ...