The Martian landscape is peppered with features that look very alien and often cannot be easily explained.
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.
The HiRISE camera on board NASA's Mars Reconnaissance Orbiter (MRO) has become the first instrument orbiting Mars to beam back images of comet Siding Spring's nucleus and coma. Continue reading →
Comet Siding Spring will make a heart-stopping close flyby of the Red Planet in Sunday, giving our Martian armada of robotic explorers a ring-side view of the spectacle. Continue reading →
A comet will give Mars a historically close shave next weekend, and NASA aims to be ready for the dramatic cosmic event.
In new observations beamed back from a NASA Mars orbiter, an example of transverse aeolian ridges has provided a clue as to how this strange wind-blown feature evolved. Continue reading →
An orbiting Mars camera has spotted the aftermath of a fun event on Mars: A boulder that has rolled down a steep slope -- and ended up resting on its long axis as a standing stone. Continue reading →
Comet Siding Spring is about to make a historic near miss of the red planet -- and NASA is preparing its Martian robots for the potentially hazardous encounter. Continue reading →
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