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.

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 ...

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. Olympus Mons, the solar system’s largest volcano ...

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 ...

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 ...

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. The volcano is the cloudiest of the Tharsis ...

A rare Martian meteorite has revealed complex volcanic processes and mantle heterogeneity on Mars, offering new clues to the planet’s magmatic evolution and thermal history. In a groundbreaking ...

Scientists find Mars' glaciers are rich in ice, not rock, revealing clues about its frozen past and its promise for future missions.

The volcano Odyssey spotted is known as Arsia Mons, one of three that forms the Tharsis Montes, or Tharsis Mountains. Though clouds composed of carbon dioxide are common on Mars, the Martian mountain ...

Figure 1: A giant volcano hiding in plain sight in one of Mars’ most iconic regions. The newly discovered giant volcano on Mars is located just south of the planet’s equator, in Eastern Noctis ...

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.