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 ...

Have you ever seen a rainbow in the sky? Rainbows happen when sunlight passes through raindrops in the sky. When this happens, light becomes separated into a rainbow of colors—red, orange ...

To uncover the mystery of the sky’s blue hue, we first need to understand sunlight. Though it appears white to our eyes, ...

Thursday, April 3rd, is National Find a Rainbow Day. Hawai'i, the "Rainbow Capitol of the World," is known for its vibrant Ānuenue (rainbows), but climate change threatens their future. A ...