The fleeting glow of noctilucent clouds is once again making its appearance in Earth’s upper atmosphere, signaling the start ...

The celestial object was seen streaking across the atmosphere, illuminating the clouds with a bright ... clear view of the blazing blue light streaking across the sky. Another clip shows a woman ...

The science of clouds covers a lot of ground. Her research shines light into topics ranging from the rainfall ... cloud particles mimics the behavior of cloud particles in massive sky-sweeping clouds, ...

Night sky photographer Ruslan Merzlyakov captured ... storm and stunning auroras (photos) Glowing silver-blue clouds commonly light up summer night skies in the Northern Hemisphere.

This is why the sky appears blue during a clear day ... therefore only allowing the blue-green wavelengths of light to pass through. "Green clouds are rare and tend to be associated with very ...

This ethereal whirlpool of blue light appeared in the night sky ... clouds were spotted shining in the night sky above the Arctic. The clouds, known as polar stratospheric clouds (PSCs), only ...

Different colors have different wavelengths of light. Violet and blue have the shortest wavelengths ... a sunset will look like. If the sky is full of clouds and overcast, from the ground you ...