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 ...

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 dinosaurs to have ever roamed the planet. That's right: The biggest whale ...

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

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 ...

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.

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

A recent theory proposes that whales weren't just predators in the ocean environment: Nutrients that whales excreted may have provided a key fertilizer to these marine ecosystems. Oceanographers now ...