Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

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

Looks like Mars might have had more water than anyone previously imagined.

Embark on a breathtaking journey to Mars in stunning 4K, captured by NASA’s legendary rovers: Spirit, Opportunity, Curiosity, and Perseverance. This video brings you face-to-face with the Martian ...

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

The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

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

The concept of terraforming Mars — transforming the planet's climate to support life as we know it — has long belonged to the realm of science fiction. But a new study argues that it's time to ...

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 ...