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

Meet Grace, the brave hopper robot that’s designed to jump into the darkest depths of the Moon, providing never-before-seen views of permanently shadowed craters near the lunar south pole.

Twilight clouds were first observed on Mars by NASA's Pathfinder mission in 1997. This rare atmospheric phenomenon has not ...

Curiosity rover images show iridescent clouds on Mars, helping scientists explore atmospheric and climate dynamics.

NASA’s Perseverance rover recently captured a stunning image of a black-and-white striped rock on Mars, sparking excitement ...