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

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Latin for “night shining,” noctilucent clouds (also known as twilight clouds) are responsible for Earth’s vibrant red, orange, and purple dawn and dusk skies. If the conditions are just right, they sometimes even take on an iridescent,

The phenomenon of twilight clouds was first observed on Mars in 1997 during NASA’s Pathfinder mission. However, it wasn’t until 2019 that the Curiosity Rover captured the firs

NASA’s Curiosity rover has captured breathtaking images of iridescent clouds drifting across the Martian sky, revealing a celestial spectacle unlike anything seen before. These clouds, composed of frozen carbon dioxide ice,