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

Following the sweeping path of a cold wave through the Arctic, the skies were alight with rare polar stratospheric clouds, which presented a rainbow-like show throughout the sky. Images of the ...

Looking to add a bit of color to your day? We’ve rounded up our favorite rainbow recipes and crafts. They’re sure to brighten ...

When the Sun is near the horizon, its light passes through a lot more of the atmosphere to reach the Earth's surface than ...

now is an excellent time to make the trek to a Dark Sky Place. Even if you don't see the rainbow of colors lighting up the night, you will be treated to some of the most spectacular stargazing in ...

Light breaks over the horizon at sunrise, seen in a photo from the International Space Station. Sign up for the Morning Brief email newsletter to get weekday updates from The Weather Channel and ...

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 ...