Noctilucent, or "night-shining", clouds can be seen on Mars, just as they are on Earth. Nasa's Curiosity Mars rover imaged these high-altitude clouds on 17 May, 2019, using its navigation cameras.

We had a special treat Wednesday morning due to noctilucent clouds that are rarely seen in the Florida sky. Noctilucent ... continue to illuminate these high-altitude clouds, while the lower ...

These artificial clouds are produced by releasing chemical compounds from high-altitude probes, typically at elevations between 80 and 400 kilometers above the Earth’s surface. The primary ...

Fire rainbows require specific conditions: cirrus clouds and sunlight at least 58° high in the sky. They're most visible in ...