Volcanic activity can tell us about a planet’s inner heat and how its surface was shaped. The fact that Mars had active volcanoes long ago shows it wasn’t always as quiet and cold as it is now.

By studying Olympus Mons and other volcanoes on Mars, scientists can help unravel clues to the Red Planet’s climate history, too. The meteorites born from the volcano actually show signs of ...

In a recent discovery that has sent shockwaves through the scientific community, NASA’s Perseverance rover uncovered ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.

A bit after sunrise on June 6, 2025, NASA's 2001 Mars Odyssey orbiter saw one of Mars' biggest volcanoes, Arsia Mons, as it broke through the clouds.

“Volcanoes may be even more widespread across Mars than we thought.” Wray has had a hunch that Jezero Mons is a volcano ever since he first laid eyes on it in 2007.

The arrow points to an ancient "bomb sag" on Mars, a crater produced when a Martian rock blasted into the air by a volcanic eruption 3.5 billion years ago fell back to the ground.