The solar system is composed of the sun, eight major planets, five dwarf planets, over a hundred moons, and countless comets ...

The former NASA astronaut and the agency’s 14th administrator says it’s not a matter of if we go to the Red Planet — but when ...

This week begins with a wave of beauty, balance, and intention-setting as the New Moon in Libra arrives on October 21, ...

Here are your free predictions for the week, from October 12 to October 18 ...

Terraforming is the theoretical process of transforming a planet or moon to make it habitable for humans and other Earth-like ...

Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a dramatic rise in ozone. Scientists found that the lack of sunlight and moisture ...

Frozen in time, ancient microbes or their remains could be found in Martian ice deposits during future missions to the red ...

New research shows that dry ice blocks, not water or life, may be responsible for the mysterious gullies carved into Mars’ ...

Scientists have discovered what is causing sinuous gullies to form on Mars' southern sand dunes in the springtime, unlike any on Earth.

CO₂ ice blocks on Mars may dig gullies as they slide and sublimate in the thin atmosphere. In lab experiments, scientists recreated these eerie, worm-like movements under Martian conditions. The ...

Mars is where that leadership will be proven. And if NASA is serious about sending humans there, and keeping them safe while they’re there, that investment in long-term infrastructure needs to start ...

"We have found a habitable environment," said John Grotzinger, project scientist for the Curiosity mission. "The water that was here was so benign and supportive of life that if a ...