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

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 and ...

Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...

Recent findings used wildlife forensics and citizen science data to provide the first confirmed evidence of killer whale ...

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 ...

after stopping to review underwater camera footage, the rescuers made the final cut, allowing the whale — now “exhausted” — to drift off. Afterward, they monitored the newly freed animal.

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers ...

The video of the whale had people rethinking how they see the animal with some vowing to never go in the ocean ...

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 ...