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

Noctilucent clouds, also known as night-shining clouds, present a mesmerizing display high in the Earth's atmosphere. These clouds are so rare and unique that they offer both scientists and ...

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