Last week, a kayaker in Chile learned just how dangerous it is to get too close to feeding humpback whales during an outing ...

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

A humpback whale briefly engulfed a kayaker off the coast of Chile in an incident caught on camera. Experts say it couldn't have swallowed him even if it wanted to.

Now imagine that each weighs more than the bus itself. That’s Rice’s whale, the only resident baleen whale in the Gulf of Mexico—and one of the most endangered whales in the world.

A humpback whale surfaces while lunge feeding on menhaden, a small fish, in the Atlantic.Credit: Dave Sanders/The New York Times Pirotta said baleen whales such as humpbacks open their jaws very ...

Bowheads have the longest baleen (filter-feeding system) of any baleen whale, up to 13 feet long. They use their baleen to filter plankton from the water ...

Some baleen whales, or whales that have plates in their mouths to help sieve out plankton, sing low-frequency songs to not only attract potential mates but also keep them safe from killer whale ...

New research suggests male baleen whales looking for love sing a different tune when attracting a mate, and it all depends on if they are more likely to fight or flee from a predator. Killer whales ...

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 ...