Researchers have discovered four gigantic seamounts towering above the seafloor surrounding South America after detecting "gravitational anomalies" given off by the massive underwater mountains.

The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.

Although the Kama‘ehuakanaloa Seamount has been a little restless recently, new information about the undersea volcano is still sparse. The seamount’s most recent eruption was in 1996 ...

Located off the coast of Ecuador, Paramount seamount is among the kinds of ocean floor features that certain ocean-observing ...

The highest peak here is more than 7,500 feet tall. Seamounts generally form when volcanic mountains rise up from the seafloor but fail to reach the surface (those that break the surface become ...

Although the Kamaehuakanaloa Seamount has been a little restless recently, new information about the undersea volcano is still sparse. The volcano, formerly called Loihi Seamount, is about 22 ...

A Greenpeace expedition to survey seamounts and other deep sea habitats has set off this week. With two specialist marine scientists on board, Greenpeace is aiming to use remotely operated deep ...

An associate research behaviorist at the Bodega Marine Laboratory, University of California at Davis, Klimley has studied scalloped hammerheads at an underwater mountain, or seamount, known as El ...