Red Mars meets bright Spica in the sunset sky this week. Mars will shine close to the blue star Spica at sunset on Sept. 13, ...

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be ...

The agency’s scientists are still not saying they found fossils of Martian microbes, but analysis of the specimen collected ...

Billions of years ago, Mars may not have been the frozen desert we see today. New simulations suggest that volcanic eruptions pumped out reactive sulfur gases, creating greenhouse effects strong ...

On the evening of September 13, 2025, a stunning astronomical event will light up the western horizon as Mars, the Red Planet ...

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...

NASA rover Perseverance collected evidence being considered by agency officials as 'the closest we have ever come to ...

Air Force Maj. Ross Elder has got “The Martian” loaded on his Kindle for his upcoming NASA mission simulating living on Mars ...

NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient ...

Astronomers have struggled to explain why a long and thin cloud forms above Mars’s Arsia Mons volcano each year, until now ...