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

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 ...

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

One of the most unique about whales is that they're the largest animals to ever exist on Earth — even bigger than the largest ...

Whale song can be as efficient as – and, in some cases, more efficient than – human communication, according to a new study in Science Advances. Meanwhile, new unrelated research in Science further ...

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 ...

A blue whale photographed in September 2010.NOAA The blue whale is the largest animal on the planet. It consumes enormous quantities of tiny ...

When certain algae flourish in the sea, they produce neurotoxins that can sicken both humans and marine animals. Acute ...

In the sea as on land, climate change is driving shifts in the abundance and distribution of species. Scientists are just ...

There is excitement and concern for North Atlantic right whale mother and calf spotted in busy shipping lanes.