Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...

The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been ...

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...

The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.

An analysis led by the University of Chicago of Mars Science Laboratory Curiosity rover data may explain why the planet was ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Researchers focused on fluvial sinuous ridges, or inverted channels, winding through Noachis Terra, a region in Mars’ southern highlands. These features likely formed when river sediments solidified ...

Mars may soon welcome explorers seeking ice deposits crucial for human survival. Recent findings suggest significant ice ...

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

A warm afternoon on ancient Mars lasted about as long as a Silicon Valley internship. That is the sobering conclusion of a ...

Curiosity finds strange boxwork ridges on Mars that hint at ancient underground water. Scientists are now drilling for ...