For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

A new climate model suggests that ancient lakes on Mars may have survived for decades beneath thin layers of ice that formed ...

Mars, often depicted as a barren red planet, is far from lifeless. With its thin atmosphere and dusty surface, it is an ...

Thin, seasonal ice may have protected ancient lakes on Mars, allowing liquid water to last for decades despite cold ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping ...

NASA Curiosity rover, which launched from Florida in 2011, captured panoramic image of Mars that resembles a sunset on Earth.

Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.

Between Jan. 9 and Jan. 14, a cluster of planets in Capricorn will oppose Jupiter retrograde, creating friction and emotional ...