The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Snow is made up of trillions of tiny ice crystals to make snowflakes, with not one alike. Here's how they form.

Curiosity rover images show iridescent clouds on Mars, helping scientists explore atmospheric and climate dynamics.

With so many things flying around in the sky, it’s hard to tell what you’re seeing sometimes as stars, satellites and aircraft take up the night sky.

Patsy Cockerham is sharing these linear looking clouds captured on Thursday, Feb. 13 after a dredful week of cold rain and ...