During this time, blue and short wavelength light gets scattered and only long wavelength colors (red, orange) can reach our eyes. That is why the sky appears red-orange during sunrise and sunset.

ST. LOUIS – The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple colors of a rainbow—there’s a lot going on that we don ...

ST. LOUIS – The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple colors of a rainbow—there’s a lot going o… ...

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 ...

We explore why the lunar surface turns a beautiful reddish color to become a "blood moon" during the totality phase of a ...

OHIO, USA — Have you ever looked up on a summer day and noticed the sky seems dull or milky instead of its usual bright blue? That haziness isn't just your imagination. In fact, there's real ...

This is the same phenomenon that makes the sky appear blue during the day. Why is March's full moon called the worm moon?

Why is the sky blue? In short terms, it all has to do with light, air and our eyes. If you look at the sun through pictures—not through the naked eye—there is a glowing white light, which is ...