New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

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

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.

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.

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.

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 ...

Science Space Solar System Mars To create a small Mars colony, leave the jerks on Earth Agreeable personality traits helped keep things running smoothly in new simulations of Martian communities.

The crew of a NASA mission to Mars emerged from their craft after a yearlong voyage that never left Earth. The four volunteer crew members spent more than 12 months inside NASA's first simulated ...

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

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

Did it snow on Mars? New research suggests ancient Red Planet precipitation was a lot like Earth It's hard to figure out if Mars was “warm and wet” in its ancient past, but climate models give ...