Dust devils are a common feature on the Martian surface, but seeing one of these extraterrestrial whirlwinds in action through the eyes of a Mars rover is a special joy.
Opportunity may be the Mars roving champion, but even champions have their limits.
The grounded Mars lander was supposed to have launched by now -- will it be re-scheduled for 2018? NASA is mulling it over.
The odds aren’t great. Engineers don’t even know if Philae still has a working receiver and the probe could be covered in dust.
As if Mars' thin, frigid, dry air wasn't harsh enough, now scientists have found new evidence of acid fog altering the rocks near the Spirit Rover.
After three Earth years on Mars, the Curiosity rover has found extensive evidence of past liquid water in Gale Crater. Check out some of the highlights.
Scientists are developing a novel space robot that can take up the challenge of hopping and rolling over microgravity terrain while doing valuable science.
What tiny satellites could take a ride over to Europa? Here are five feasibility studies being considered to hitchhike on a NASA mission.
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