Watch 10 biggest ocean creatures ever captured on film.

Sea otters are critical players in marine ecosystems and are a keystone species, meaning they have a profound effect on their ...

Few animals seem less animal-like than sea cucumbers. The long, slender beings often appear motionless like the vegetable ...

A 15-year-old sea lion named Ronan proved better at keeping ... The results challenge the long-held theory that "only animals who were vocal learners — like humans and parrots — could learn ...

Sophie Cohen-Bodénès told Newsweek: "We are investigating quantitatively if cuttlefish also use the signs to interact with prey." ...

Some of the animals “likely arrived during recent El Niño phenomena” when ocean currents “temporarily reversed” direction, ...

Armed with lab equipment and two months of food and clothes, around 60 researchers boarded the RSV Nuyina icebreaker ship for its first scientific voyage in March. They are taking part in the Denman ...

Not many animals have ... a bright-eyed sea lion that’s caused scientists to rethink the meaning of music. Ronan the sea lion can still keep a beat after all these years. She can groove to ...

Ronan the sea lion can still keep a beat after all these years ... a decade studying Ronan’s rhythmic abilities. Not many animals show a clear ability to identify and move to a beat aside ...