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

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.

Known as Noctilucent or night-shining clouds, twilight clouds are typically seen on Earth during the summer, but this time, ...

Venus, the Roman goddess of love and beauty, will gain "maximum brilliance" at night on Valentine's Day across Kentucky skies ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.