Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we see only blue, despite it all starting with a rainbow of colors.

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering. But that same ...

Tuesday, NBC5 News viewers submitted unedited pictures of a pink winter wonderland from Weed, California. According to ...

Other atmospheric gases, such as carbon dioxide and methane, have little effect on sky color but play a crucial role in shaping the planet’s climate. As the Sun moves lower in the sky ...