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

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

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

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 ...

Some baleen whales avoid killer whale attacks by singing songs at deep frequencies that their predators cannot hear.

Based on DNA analysis from the bite wounds on the carcass of a large white shark washed ashore near Portland in Victoria in ...

A pod of killer whales made an unexpected visit off the coast of Orange County Thursday. The pod of CA56 killer whales (orcas ...

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 ...

A newborn killer whale calf spotted off the southern coast of WA could be one of the youngest ever seen in Australian waters.