Bright noctilucent clouds are glowing across northern skies. Here’s what creates these rare space clouds and how to see them ...

Photographers have captured breathtaking photos of "rainbow clouds" shining in the clouds. The multi-colored clouds are known as polar stratospheric clouds (PSCs) and look similar to auroras blazing ...

A NASA satellite recently spotted a series of bizarre "fallstreak holes" in clouds above Florida. The circular cloud gaps have been previously (and incorrectly) linked to paranormal phenomena. When ...

Forming 50 miles above Earth's surface, noctilucent clouds offer a rare glimpse into one of the least-understood layers of the atmosphere. Noctilucent clouds glow above the horizon after sunset. The ...