Acheron Fossae is filled with dramatic landscape features — most notably, its namesake fossae, or fault-like channels that ...

At Cerro Negro, travelers hike an active volcano—then board down its black slopes in a blaze of speed.

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

Arsia Mons, which dwarfs Earth’s tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice clouds, especially in the early morning. The image released Friday marks the ...

Arsia Mons, an ancient Martian volcano, was captured before dawn on May 2, 2025, by NASA’s 2001 Mars Odyssey orbiter while the spacecraft was studying the Red Planet’s atmosphere, which ...

Scientists uncover why "stealth" volcanoes stay silent until eruption Veniaminof, Alaska, has frequent unexpected eruptions -- modeling how they happen could help us protect people from unexpected ...

LEMBATA, Indonesia (AP) — Mount Lewotobi Laki Laki volcano in south-central Indonesia erupted on Tuesday, spewing towering columns of hot ash into the air. Authorities raised the eruption alert ...

What is the Arsia Mons volcano? Arsia Mons is the southernmost of the three volcanoes that make up Tharsis Montes, shown in the center of this cropped topographic map of Mars.

Mars orbiter that launched from Florida captures 1st-ever pic of volcano above clouds Known as Arsia Mons, the volcano on Mars dwarfs Earth’s tallest volcano, Mauna Loa in Hawaii.