Curiosity, a set of NASA's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying overhead on Jan. 17. These clouds, sometimes referred to as twilight clouds ...

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

Martian clouds are almost always made of dry ice, or frozen carbon dioxide. 95% of the planet's atmosphere is CO2.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

NASA’s Curiosity rover has captured breathtaking images of red and green-tinted clouds drifting across the Martian sky. These ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...