Scientists discovered 24 new deep-sea species, including one from a completely new branch of life in the Pacific Ocean.

Beneath the neon lights of a laser-scanning microscope, newly classified species glow in vivid greens and oranges—a far cry from the pitch-black abyss of their natural ocean floor. Researchers have ...

Glittery sea worms and sea squirts fit for "The Lord of the Rings" universe might sound like pure fantasy, but they're very ...