For years, scientists believed the volcano and its surrounding ecosystem were extinct.

The Titan Ridge Volcano is erupting in the Bismarck Sea, sending ash and smoke into the sky and prompting authorities to warn of possible tsunamis in the area.

Far below the Pacific, a volcano long written off as geologically dead has turned out to be both active and teeming with life. When researchers sent cameras into its crater, they did not find bare ...

LOS ANGELES — A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San ...

Add Yahoo as a preferred source to see more of our stories on Google. A mysterious, highly active undersea volcano near California could erupt later this year. What scientists expect A mysterious and ...

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 ...

Residents are concerned about access to food and fresh water as pumice stone makes travel difficult for Papua New Guinea's seafaring communities.

People have long wondered what life was first like on Earth, and if there is life in our solar system beyond our planet. Scientists have reason to believe that some of the moons in our solar ...

AP Photo/Caleb Jones VOLCANOES NATIONAL PARK, HI -- For the first time in three years, lava from Kilauea volcano on Hawaii's Big Island is entering the Pacific Ocean - where it's creating new land and ...

Rock samples collected last year show surprising variation in the chemistry of an undersea volcano on the Juan de Fuca Ridge near Seattle. The variation comes from the mantle, the source of the magma ...