In the ocean's 'twilight zone,' divers risk their lives in search of mysteries

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before ...

Scientists say they have discovered 20 new species deep in the Pacific Ocean

Researchers retrieved reef monitoring devices that had been placed in deep coral reefs in Guam. The devices were placed up to 330 feet below the surface.