New research shows that an intense regional dust storm transported unusually high amounts of water vapor into Mars’ upper atmosphere, boosting hydrogen escape. The discovery reshapes understanding of ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars, with its rust-hued surface, is known as the red planet for a reason. Along the way, Curiosity has made some extraordinary ...

Learn about geologic formation on Mars that resemble spiderwebs, serving as records of ancient groundwater flow on the planet ...

Mars, with its rust-hued surface, is known as the red planet for a reason. A recent photo from NASA, though, gives an idea of what our celestial neighbor would look like under skies that resemble our ...