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

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

The recent autopsy of a partially devoured great white shark confirms a brutal hunting trend—killer whales around the world ...

Avoiding predators is one of the most important jobs for many members of the animal world. Even ocean giants like baleen whales have something to fear from killer whales, their only known natural ...

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

The 39-foot gray whale carcass was discovered floating off Marina del Rey on Saturday with most of its head missing.

Learn more about how baleen whales split into two groups — fight or flight — and how these groups determine how loud they sing.

Two Los Angeles-area boaters on Saturday spotted a juvenile gray whale that had recently been killed by orcas and was missing ...

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

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

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 ...