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.

which can measure up to one-third of their total body length. These whales' massive heads and jaws accommodate hundreds of baleen “teeth.” Rights and other baleen-feeding whales use a comblike ...

For instance, humpback whales are filter feeders, meaning they have hundreds of plates of baleen in their mouth instead of teeth. 'But baleen whales do grow teeth in the womb. Those teeth will be ...

In 2014, scientists first heard a unique sound coming from the waters around the Mariana Trench. Experts weren't sure what it was, but now a team of researchers led by Oregon State University have ...

Baleen whales, known scientifically as Mysticeti, are a fascinating group of marine mammals that have evolved unique feeding mechanisms and adaptations over millions of years. Their fossil record ...

The blue whale is the largest animal ever known to have lived on Earth. Blue whales are largest of all baleen whales and are found worldwide. They have a long slender body with a proportionally ...

They are baleen ... individual whales, which is an invaluable tool in tracking population size and health. Curlew and Koala were so named because there are markings on their body that look like ...