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

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

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

Taken over 16 minutes on January 17 the images show noctilucent or twilight clouds tinged with colour. This video has been ...