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

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 ...

A long-term study using DNA from whale scat has revealed surprising complexity in the diets of southern Alaska’s fish-eating killer whales.

The team films something not seen before: a teaching session between adults and their young. The team films something not seen before: an hours-long teaching session between adults and their young.

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their prey with humans, according to research published in the Journal of ...

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, ...

Primates, birds, and elephants are all known to make tools, but examples of tool use among marine animals are much more limited. Reporting in the Cell Press journal Current Biology on June 23, a team ...

One of the world’s largest mammals, the humpback whale is an incredible species for many reasons. They may even be the ocean’s protectors. Researchers have witnessed humpback whales intervening during ...

Many researchers thought the two-month absence was caused by the predation of a white shark by a group of orcas. Now a new study suggests there may be other reasons for their disappearance.