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

The clip shows a group of seven orcas — four adults and three calves — as they circle a seal on a tiny chunk of ice in ...

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

Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers ...

Ackerman refers to local killer whale pods in two distinct groups: the ones he calls “meat eaters” and those that hunt ...

A woman has been ordered to pay a $2,500 fine after she was found guilty of paddling too close to orcas in Ucluelet four years ago.

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

For more than a thousand miles, a Southern Resident killer whale known as Tahlequah carried the body of her dead calf on a ...

Today, there are only 73 southern resident orcas left, fewer than when they were listed for protection, and their risk of ...

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.

Researchers detail a life full of tragedy and hardship, adding that Ocean Sun should’ve died years ago, but she persevered.

This process uncovered the DNA of two animals: orcas, also known as killer whales, and broadnose sevengill sharks. Orca DNA ...