When photographer Jialing Cai plunged into the ocean in the dead of night, she found creatures of the deep had risen up to meet her.

Scientists found more than 7,000 microbes in the Mariana Trench, revealing unexpected biodiversity in Earth's deepest ocean habitat.

On the flip side, a new paper in Cell shows how supergiant deep-sea animals can survive for as long as five years without eating a thing. Deep-sea supergiant isopods (Bathynomus spp.) grow up to almost 20 inches long,

The 5.3-million-year-old ‘whale graveyard’ extends for more than one thousand kilometres and supports entire ocean communities

Learn how likely new Arctic deep-sea species could help researchers map fragile sponge gardens and hydrothermal vents before mining plans return.

Scientists say they’ve found more than 1,100 new marine species over the last year, emphasizing how unexplored the ocean really is.