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

SACRAMENTO, CA — The western sky offered competing features Monday night as the glowing red sunset and crescent moon ...

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

What’s that bright star in the sky after sunset? It’s Venus — probably ... the red planet appears to give off a golden glow for the rest of the night as it moves into the southern sky.

In Hiroshima, Trang heard about survivors of the atomic bombing of the city who say they do not like to see a glowing sunset because it reminds them of the red sky that appeared when the bomb was ...