Among items going up for auction at Sotheby's in New York is a 54-pound rock that the auction house calls the largest piece ...

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 ...

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

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

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 ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed on the Red Planet.

The first thing most people think of when they consider Mars is its deep red color. The Romans associated the planet with their god of war because it reminded them of blood while the Egyptians ...