The sky isn't just blue by chance. It takes all the colors of the rainbow for us to see it that way. It happens because of something called the Rayleigh effect, or Rayleigh scattering, named after a ...

You might think that explaining why the sky is blue would be kind of simple. But even a brief explanation of it requires a lot of science. The colors of everything you see are produced in different ...

Light scattering creates the shade we see when we look skyward, and studies show the process varies around the world ...

WASHINGTON — From crimson leaves to golden fields and coppery hills, Mother Nature is known to put on a show during the fall months. If you look up and notice a bluer-than-average sky, your eyes ...