The fish was found at 200 to 2,000 meters below the surface. At least 16 types of recently discovered deep-sea fish are among the darkest creatures ever found, according to a study published Thursday.

Scientists have uncovered why big predators like sharks spend so much time in the ocean’s twilight zone. The answer lies with ...

Recent scientific expeditions have unveiled a trove of new species dwelling at the bottom of the ocean, including a carnivorous “death ball” sponge in the Southern Ocean. In a separate deep-sea ...

By Liz Kimbrough A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, ...