Noctilucent clouds (NLCs), or polar mesospheric clouds, are breathtaking to see. And these are no ordinary clouds. They form in the highest part of our atmosphere, at an altitude of 80 kilometres.

The clouds are only visible during twilight, when the angle of the sun reflects off them and causes them to shine a bright electric blue or white colour. Over the course of a five-day mission, a ...

Saginaw Blue sky provides hope behind gray clouds of economic woe Published: Apr. 28, 2009, 4:38 p.m. By Bill Cornish | The Saginaw News ...

Cloud watchers have recently been given record-breaking glimpses of the rarest clouds in the skies. Stunning rippled blue clouds have been forming in the highest reaches of the atmosphere over ...

Immerse yourself in the soothing experience of poking and playing with a soft, blue cloud slime that effortlessly squishes and stretches with every touch. The fluffy texture and calming squelches ...