The tallest volcano in Mars' equator region, Mt. Olympus Mons, was recently discovered to have water frost forming around it, and it is now a massive phenomenon for researchers.

Some 25 km high, or two and a half times the height of Mount Everest, Olympus Mons’ summit caldera is some 3 km deep and measures 80 km across, NASA reports.

This plateau covers around 25% of Mars’ surface and is home to Olympus Mons. The region also includes the volcanoes Ascraeus ...

Olympus Mons on Mars is the tallest mountain in the solar system, rising an astonishing 21 kilometers high, nearly two and a half times taller than Mount Everest. But its true scale isn’t just about ...

Olympus Mons reaches an astonishing height of 16 miles (26 kilometers) - three times as tall as Mount Everest. And it may tell us quite a bit about its home, Mars.

Water vapor clouds are seen around mons top which is a usual phenomenon during this season in Mars. This image is taken by MCC on November 27, 2015 at an altitude of 32,282 km with a resolution of ...

Olympus Mons dwarfs all of Earth’s mountains and volcanoes by large margins, measuring 435 miles (700 km) wide and 14 miles (22 km) high. For comparison, that’s about two and a half times as tall as ...

The Olympus Mons volcano on Mars with a height of 22 km is nearly two and a half times as high as Mount Everest. Its diameter is 600 km, which is about the distance between Berlin and Munich.

Olympus Mons sits on the same volcanic “bulge” as the three volcanoes of Tharsis Montes — Ascraeus Mons, Pavonis Mons, and Arsia Mons. And when four mega volcanoes formed so close together it proved ...