Love nature's ocean documentary gives an underwater look at some of the most amazing and dangerous sea creatures, including nudibranchs, harlequin shrimp and mandarin fish.

The coral Iridogorgia chewbacca, found in the tropical Pacific, has long branches, and its DNA confirms that it is a new species.

Surviving alone on remote islands brings more than just hunger and hard work — it also brings unforgettable wildlife moments. Watch as we encounter amazing sea creatures while battling the elements.

Photos taken by blackwater divers offered a new glimpse into the early life stages of marine fishes and their interactions ...

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order Actiniaria) ...

Editor’s note: This story was originally published by The Guardian. It appears here as part of the Climate Desk collaboration. Scientists have discovered more than 5,000 new species living on the ...

The skin of dwarf crocodiles found living in a cave in Gabon is turning orange from swimming in guano. It's unclear how long they've been down there, but genetic research indicates they may be ...

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and the ability to birth live young Riley Black - Science Correspondent Fossils ...

Boaters were treated recently to the sight of sea creatures demonstrating a “cuddle puddle” off the coast of California, a ...

Bizarre worm that looks "like the rump of a pig from one side and Mick Jagger's lips from the other" may be in the middle of an evolutionary leap, scientists say. The southern grasshopper mouse is ...