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.

The Mars Express orbiter has kept an eye on an elongated cloud above Arsia Mons volcano for the last few years. The cloud is ...

NASA/JPL-Caltech/ASU Arsia Mons, one of the Red Planet's largest volcanoes, peeks through a blanket of water ice clouds in this image captured by ...

On a clear night, the moon you gaze upon looks the same as it looked for the first humans that walked Earth—the same ...

Mars, often called the Red Planet due to its distinctive rusty color from iron oxide on its surface, is Earth’s neighboring ...