THE blue color of the sky on a clear day is familiar to all. And yet how many have considered the source of this delicate mantle of azure which Nature spreads over the dome of the heavens? The ...

The blue color of the daytime sky results from Rayleigh scattering, where atmospheric atoms and molecules preferentially scatter the blue wavelengths of sunlight more than red, rather than being the ...

On a clear, sunny day, the sky above us often glows a brilliant blue, a sight so commonplace that many of us rarely stop to question why. While this natural phenomenon might seem simple to explain, ...

Blue is the color of the ocean and the sky, and considering blue's color symbolism, it makes sense why this color is associated with calmness. In fact, one survey found that blue is a favorite color ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Daniel Brown, Lecturer in Astronomy, Nottingham Trent ...

When you look up at the blue sky overhead or gaze across the seemingly endless expanse of a blue ocean, you might think that the color blue is common in nature. But among all the hues found in rocks, ...

It's right there in my byline, Geek Moms! "Ask her why the sky is blue at your own risk." I say that because sometimes my answers to weather questions might make your eyes roll. I picture that I might ...