They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out.

Sea pigs (Scotoplanes) are some of the weirder-looking deep-sea animals. They are not related to pigs — the name comes from their pinkish transparent bodies and stubby tube legs — but are ...

Hidden in the abyss of the Atacama Trench, Dulcibella camanchaca reveals itself as a unique predator adapted to the darkness.