The clouds, composed of carbon dioxide ice crystals, glow in shades of red, green, and pearlescent hues in the martian ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

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

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its ...

NASA’s Curiosity rover captured stunning twilight images of Martian clouds, revealing iridescent red and green tinges. These ...

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

Researchers report that a great time to see these clouds from Gale Crater, where Curiosity is located, is the early Autumn.

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

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