Mars Odyssey captured a stunning image of Arsia Mons rising above early morning clouds, offering new insights into Martian ...

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 ...

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

During pauses between the high fountaining episodes of the ongoing Kilauea volcano summit eruption, which began on Dec. 23, ...

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 ...

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

Greek businessman George Lycurgus left an indelible mark on Hawaii and led Hawaii's Volcano House Hotel into the modern era ...