Mars, Curiosity and Noctilucent cloud

NASA has released stunning new footage of clouds drifting across the Martian sky. A video from the Curiosity Rover captures red and green-tinged clouds moving at twilight. These iridescent 'mother of ...
“Even though the sun has set in Gale Crater, the clouds are high enough in the atmosphere that the sun still shines on them, making them seem to almost glow in the sky,” wrote Alex ...