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

The animal’s dorsal fin was still floppy, indicating it was less than 24 hours old, according to news reports.

You can watch PBS on television via most cable TV packages — check your local listings for details. You can also live stream "Expedition Killer Whale" for free on the PBS website and app, which will ...

Feb. 12, 2025 at 8 p.m. on KPBS TV / PBS app + Encores Sunday, Feb. 16 at 3 p.m. on KPBS TV and 8 p.m. on KPBS 2. In Antarctica, killer whales hunt using their intelligence and teamwork. Swimming ...

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 ...

A mother killer whale's 'grief procession' for her dead newborn calf has come to an end. Observed swimming with other members ...

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 ...

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

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 ...

Researchers collected DNA samples from the distinctive bite wounds on the shark’s body that washed ashore near Portland, ...

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