At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings. However, a rover recently captured a splash of color in the sky as rare ...

NASA’s Curiosity rover has captured breathtaking images of iridescent clouds drifting across the Martian sky, revealing a ...

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