If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

In most photos, the surface of Mars looks like an empty red wasteland. But if you look a bit closer, the remnants of an ancient alien civilization begin to take shape.

Mars isn’t a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially ...

NASA's Curiosity rover has snapped its first images of web-like "boxwork" features on the surface of Mars. The zig-zagging ...

Entertainment Space Movies & Shows 25 years ago, 'Mission to Mars' and 'Red Planet' had a bad Martian movie showdown. Was there a winner?

The researchers modeled how successful these rods would be at warming Mars, and found that releasing 30 liters of these nanorods per second could end up heating the entire planet by over 30 ...

Astronomers may have found the perfect Mars base location, and it's right next to a huge deposit of frozen water.

Facts about Mars Mars is the fourth planet from the sun in our solar system and is called the Red Planet because its abundant iron minerals oxidize, or rust, and make it appear red.

By Ashley Strickland, CNN (CNN) — Data from a retired NASA mission has revealed evidence of an underground reservoir of water deep beneath the surface of Mars, according to new research.

Synthetic lichens could transform Martian dust into self-growing habitats for future Mars bases and 3D printed buildings.