The Martian surface is covered with a diverse array of landscapes and features, but this is one of the weirdest.
Although this crater rim is entering summer, its south-facing slopes are still festively frosted in ice.
The Martian landscape is peppered with features that look very alien and often cannot be easily explained.
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 →
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 →
When Martian layers of ice and dust become dislodged, they can create dramatic block falls that can be spotted from orbit. Continue reading →
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