Guatemala's most active volcano has erupted again, prompting hundreds to flee. On Friday, more than 700 people were evacuated ...

Despite monitoring systems, eruptions remain difficult to predict. And some tour guides say visitors who choose to explore volcanoes do so at their own risk ...

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 ...

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

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 ...

Iowa forester Mark Vitosh shared a clip revealing how mulch volcanoes can harm trees — and that there's no fairy to fix them.

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 ...

Guatemala's Fuego volcano erupted, sending ash miles into the air, prompting the evacuation of over 700 people. Active ...