The underwater world often feels like something from another planet. Life in the seas and oceans remains a mystery to those of us on the surface—not only fascinating but also breathtakingly beautiful, ...

Using an underwater robot launched from the research vessel Nautilus, an underwater volcano in American Samoa was explored. Ocean Exploration Trust Off the coast of American Samoa, an active ...

The purpose of “Aquarium After Dark” is to help visitors see some of the few animals that are particularly active at night, ...

Photojournalist Brian Skerry has taken photos for National Geographic for the past 14 years and counting. His photographs are the focus of a new exhibit scheduled for early next year at the ...

Marine scientists are finding ways to learn more about the most elusive species that live in the deepest depths of the ocean and how they fit into the planet's biodiversity. Little is known about ...

Scientists found a “golden” sea creature “deep within” underwater caves off Saudi Arabia and discovered a new species, a study said. Photo from Getty / iStockphoto On a coral reef off the western ...

A rare sea creature was spotted in Mexico as researchers document the first-ever live sighting of the ginkgo-toothed beaked ...

Off the coast of American Samoa, an active underwater volcano towers above the seafloor, its upper crater the site of a four-year eruption. Following the formation of a 1,000-foot lava cone between ...

A recent underwater expedition has revealed a thriving network of creatures at the bottom of deep-sea ocean trenches. These extreme environments, with crushing pressure, scant food, and no sunlight, ...