T he sky isn't just blue by chance. I t takes all the colors of the rainbow for us to see it that way. I t happens because of something called the Rayleigh effect, or Rayleigh scattering ...

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

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...