Orcas, or killer whales, are deadly and beautiful apex predators.

Killer whales have large, complex brains. They teach hunting techniques to their young, adapt to new prey, and communicate using unique dialects within their pods. Recent incidents show orcas ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

According to their results recently published in the journal Ecology and Evolution, the culprit is clear: a killer whale ...

The carcass was found on the beach at Cape Bridgewater near Portland. Famously, killer whales have been documented at length targeting white sharks in South Africa, resulting in a mass exodus of ...

Killer whales are one of only a handful of animals that actively teach their young, and it’s the females that take on this duty, ensuring the survival of their families. - This does not look ...

Pack-ice killer whales are highly social creatures, communicating through various vocalizations like pulsed calls and whistles. For the first time, researchers have recorded these vocalizations ...