Meet the Atlantic wolffish, green humphead parrotfish, and other unusual species with extraordinary adaptations.

Researchers determined that few microplastics remain at the ocean's surface. Instead, they sit in the deep water columns: ...

Notable sightings along the way included the discovery of an extensive crinoid meadow at a depth of 9,100 meters (29,855 feet ...

The octopus was spotted as part of a 21-day expedition exploring the deep sea around the Cook Islands. This region contains ...