The sight of an orca clinging to her dead calf for a heartwrenching reason turned out to be a way of coping with loss, just like humans.

Killer whales, as apex predators with long lifespans, are prone to accumulating high levels of persistent organic pollutants ...

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

A team of scientists and filmmakers try to advance our understanding of these compelling animals in Expedition Killer Whale, premiering Wednesday, February 12, 2025. The hunting technique of pack ...

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 ...