Organic compounds discovered on the Red Planet cannot be fully explained by non-biological sources, say astrobiologists.

Mars's atmosphere and climate are impacted by interactions with solar wind, a stream of plasma comprised of protons and electrons that flows from the sun's outermost atmosphere (corona), traveling at ...

Billions of years ago, Mars’ Jezero Crater held a lake fed by rivers that could have carried minerals and maybe even organic matter. On Earth, places like that are teeming with microbial life. NOVA is ...

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 called ...

A new analysis of data from NASA's Mars Reconnaissance Orbiter reveals that the majority of the Red Planet's dark "slope streaks" did not form as most researchers previously assumed. When you purchase ...

Phobos is the larger and innermost of Mars' two moons, and it's a fascinating celestial body. It's small, irregularly shaped, and orbiting just about 6,000 kilometers above the surface of the Red ...