Marine life researchers are tracking a mysterious pod of orcas recently spotted moving through the Salish Sea.

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 ...

If you can explain Antarctica, you've never been there.' That was the quote from our captain, Jorn Bowitz, as we set off on our voyage to the White Continent.

Longer summers are allowing more king penguin chicks to bulk up and survive the winter, but the penguins' main fishing area is shifting further away as temperatures rise ...

King penguins are adapting to climate change in a way that seems to help them breed successfully, which is unusual.

Getting close to a stingray is risky, even for an accomplished predator such as an orca. They are not called stingrays for nothing! But if you can take them by surprise and stun them with a brutal ...

Tourists onboard a Polar Latitudes Expeditions ship in Antarctica saw a pair of orcas hunting a gentoo penguin.

Tourists were stunned when a pair of orcas tried to hunt a gentoo penguin alongside their ship. Here’s what happened next.

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged 34 ...

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

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

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, according to a published study in the journal Ecosphere. The types of fish ...