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The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Ever gazed up at the stars and felt that magical awe wash over you? As cities grow brighter, it's becoming harder to ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.