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

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 ...

Learn about one of the ocean's most iconic and captivating creatures in the world, the humpback whale. Read more on the blog.

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