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

Imagine a species with fewer individuals than seats on a school bus. Now imagine that each weighs more than the bus itself.

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

The team analyzed whale poop for iron, known to be especially limited in the Southern Ocean, as well as copper.

The University of Washington conducted a study that offers more support to this claim, arguing that whale excrement holds ...

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.

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

The blue whale is the largest animal on the planet. It consumes enormous quantities of tiny, shrimp-like animals known as ...

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 ...

Killer whales are the only natural predator of baleen whales — those that have “baleen” in their mouths to sieve their plankton diet from the water. More solitary than toothed whales ...