Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. This week’s article is by Mike Cappos, a gas field ...

In 1669, in what has been considered the volcano's worst known eruption, lava buried a swath of Catania, about 15 miles away ...

On May 2, as sunlight crept over the Martian horizon, the Odyssey spacecraft captured Arsia Mons, a towering, long-extinct volcano, puncturing a glowing band of greenish haze in the planet’s upper ...

Arsia Mons, which dwarfs Earth's tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice ...

At its peak, Sutter Buttes stands just 610 meters (2,000 feet) tall. This means it would be dwarfed by the Rockies, which reach heights of 4,400 meters (14,438 feet) (4,40 meters) above sea level. But ...

A spectacular new image from NASA’s longest-running Mars orbiter has captured a breathtaking view of a giant Martian volcano ...

The boat obviously requires a ticket. Options include a cruise around the lake or a quick trip to Wizard Island in the middle ...

Guatemala are evacuating some residents from the slopes the Volcano of Fire after a new eruption spewed gas and ash high into ...

This frame capture of a video from a webcam shows a small eruption emanating from Black Diamond Pool in Biscuit Basin, a ...

Guatemala's Fuego volcano shot ash miles into the air on Friday as authorities said they had evacuated more than 700 people ...

A mysterious, highly active undersea volcano near California could erupt later this year. What scientists expect Watch L.A. Times Today at 8 p.m. on Spectrum News ...