Scientists on the AKMA3 ocean expedition discovered an exceptional underwater feature consisting of a mud volcano in the ...

An underwater volcano off the coast of Oregon is gearing up for an eruption, according to volcanologists who are monitoring for activity. The Axial Seamount-- an underwater volcano located about 300 ...

A single underwater cable the size of a garden hose connected Tonga to the outside world—until a natural disaster struck. And ...

The Axial Seamount, an underwater volcano off the Pacific northwest coast, has been showing signs of an impending eruption, researchers at Oregon State University said The volcano has seen an increase ...

When the crew aboard the research vessel Sonne set out on a cruise last spring, they were expecting a routine mapping expedition in the South Pacific. But they were in for a big surprise. They ended ...

An underwater volcano off the coast of Oregon that was forecast to erupt sometime this year doesn’t look imminent, according to volcanologists who are closely monitoring it. The Axial Seamount is ...

Mauna Kea is the tallest underwater mountain on Earth. Read about the tallest mountain in the world. Read Hawaiian volcano vs ...