Many deep sea creatures are being displaced by warming ocean temperatures—and the shifting oxygen concentrations that come ...

Bruce Robison was sitting in the control room of a research ship in Monterey Bay when he first saw the diaphanous deep-sea ...

An unusual new species of deep-sea animal. “Everyone in the control room let out a loud ‘Oooooh!’ at the same time. We were all enchanted by the sight,” Steven Haddock, a scientist with the Monterey ...

Scientists discovered a fascinating new deep sea animal they call the "mystery mollusc," and captured footage of the glowing ...

It took nearly 25 years for biologists to discover that a swimming and glowing organism in the ocean’s midnight zone was ...

See important pictures in the history of underwater photography in this milestones photo gallery, from National Geographic.