Nighttime clouds detected for the first time on Mars help tos keep the planet�s surface warm after sunset, a new study finds. Skip to main content. ... Night Clouds Warm Red Planet. News.

Researchers say these noctilucent, or night-shining, clouds are the rarest, driest and highest clouds on Earth. The uptick of recent activity has been unlike any seen in at least the past 15 years ...

They Glow After Sunset In The Northeastern Night Sky. Noctilucent clouds can only be seen at twilight, shining after sunset, but they are never guaranteed. Visible as vast, ...

Night shining clouds, or noctilucent clouds, are usually found 80-85 km high in the coldest part of the atmosphere. They are made up of extremely small ice crystals some 0.1 micron in diameter.