It might seem surprising, but the average cumulus cloud, those cotton-like clouds you see on fair weather days, can weigh more than a million pounds. Yes, you heard it right! Despite this massive ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

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

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 ...