Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

Far below the Pacific, a volcano long written off as geologically dead has turned out to be both active and teeming with life ...

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, ...

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 transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

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 ...

Some of the world’s most fascinating creatures live underwater. And unlike the more mainstream animals under the sea — seahorses, sharks, and even deep sea anglerfish — one cool member of the aquatic ...

A robotic explorer filmed the deep-sea worm as part of Schmidt Ocean Institute expedition of the Chile Margin Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her ...

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 ...