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

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

Satellites captured footage of an underwater volcano eruption in a part of the sea that remains largely a mystery.

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.

The volcano's activity has been described as rare and unusual, and coastal communities living around PNG's Bismarck Sea have been advised to be on heightened alert.

Southern coastal parts of Manus Island have been inundated by huge rafts of pumice created by an erupting undersea volcano.

Ice-age sea-level declines may have turned seafloor volcanoes into natural iron fertilizer for plankton, potentially ...

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 ...

A 3D bathymetric map showing the shape and summit caldera of the Axial seamount, 300 miles off Oregon's coast. Warm colors indicate shallower depths, cool colors are deeper. A volcano eruption near ...

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 ...

Endurance Energy Inc., a Seattle startup building generators that tap heat from undersea volcanoes, revealed today that it ...