A burp of methane on Mars would indicate that the planet might be more alive than previously thought. But where did it come from?
NASA's Mars Reconnaissance Orbiter (MRO) has spotted its roving buddy Curiosity on the Martian landscape, but the rover seems to be missing its tell-tale tracks in the red planet's dirt.
Mars may be a frigid desert, but perchlorate salts in the planet’s soil are lowering the freezing temperature of water, setting up conditions for liquid brines to form at equatorial regions.
It's official, Mars rover Opportunity has completed a marathon on Mars!
The moon's past was livelier and more complex than scientists had thought, new results from China's first lunar rover suggest.
Drones are taking over Earth -- will they soon invade Mars? If a new NASA project gains momentum, remote-controlled drone exploration of the red planet could soon become a thing.
As comet Siding Spring speeds away after its Martian encounter on Sunday, our armada of satellites have reported in to signal that they are OK.
NASA's next Curiosity-class rover blends old and new approaches to innovative tech.
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