Surrounding the remote island of Miyake, off the east-central coast of Japan, the stoney sea floor matches the volcanic rock on the surface. Scattered across the rocks are patches of green algae, ...

In a volcanic lava field of Argentina sat a cryptic creature with “bulged” nostrils. Its patterned body blended in with the arid mountain landscape — but not well enough. Passing scientists noticed ...

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 ...

The eruption of the underwater Hunga volcano emitted the highest plume of ash ever recorded—an event that was visible from Earth-observing satellites. Credit: NOAA The eruption of the underwater Hunga ...

Far beneath the ocean’s surface, where sunlight never reaches and temperatures soar near underwater volcanoes, life still thrives. Entire ecosystems survive on toxic chemicals released from ...

Twenty-two years ago, researchers pulled up something “unusual” from the depths of the Pacific Ocean — though their discovery wouldn’t be fully appreciated for years. While aboard a research vessel ...

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 ...