Mars, NASA and Noctilucent cloud

Uninterrupted sunshine takes us to the low to middle 50s today. Clouds will return around sunset, helping to blanket in a bit of warmth overnight. Thursday's morning low temperatures will be about ...
also referred to by some as pancake or UFO clouds. At their most spectacular around sunrise or sunset when illuminated by the low sun, they need the right weather patterns to make an appearance ...
Curiosity, a set of NASA's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...