The shield volcano Arsia Mons pierces through Mars' clouds in this new orbital image from NASA. Credit: NASA/JPL-Caltech/ASU To capture this unique image, Odyssey had to perform a 90-degree rotation ...

One of Hawaii Volcanoes National Park's true hot spots is reopening nearly a decade after a flurry of climate activity made the area unsafe for visitors.

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say.

The Axial Seamount, the most active volcano in the Pacific Northwest, has been making headlines lately with signs that it could erupt sometime this year.

This false-color satellite photo from 2014 shows the immense heat emanating from lava lakes at the summits of a pair of simultaneously erupting volcanoes in Congo.

'It is one of those videos that serve as a reminder that nature is marvelous. Filmed by Martin C., this clip offers a staggering look at an active volcano. The volcano in question is Piton de la ...

The Kilauea volcano on Hawaii’s Big Island sprang to life yet again this week with a Tuesday morning eruption that shot lava more than 300 feet in the air.

A massive underwater volcano known as Axial Seamount could erupt soon, completely reshaping the floor of the Pacific Ocean.

The seismic activity of Axial Seamount, a submerged volcano roughly 300 miles off the coast of Oregon and more than one mile beneath the sea’s surface, has been increasing with hundreds of small ...

Pat Brand, director of operations with Mazama Energy, is pictured at the geothermal technical project at Newberry Volcano, where the energy company is testing using super hot rocks below the earth ...