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

One of the most unique about whales is that they're the largest animals to ever exist on Earth — even bigger than the largest ...

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 ...

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 ...

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

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.

What can whale poop teach us about ocean nutrients? This is what a recent study published in Communications Earth & ...

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

Two studies reveal that the communication systems of most cetaceans examined adhere to the principles of efficiency and ...

Zoologists have added another entry into the list of life forms threatened with extinction International Association of Zoological Sciences (IAZS) has added another entrant to its already long list of ...

Find how Ms. Blue, the 87-foot-long blue whale skeleton, at UC Santa Cruz Seymour Marine Discovery Center is being carefully ...

Koala and Curlew, two endangered female North Atlantic right whales have gone off course, perplexing researchers.