This is a rare phenomenon known as cloud iridescence.

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’t always ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Watch as a rare full-circle rainbow forms in the sky, creating a breathtaking display of color above. The remarkable phenomenon was captured in Chengde, China. The video shows a perfectly round ...

Arctic observers were granted a rare spectacle when rare rainbow-colored clouds streaked the skies ahead of the holiday season. A cold wave sweeping through the Arctic brought the rare polar ...

A recent sighting of rainbow-colored clouds over Indonesia has left people across the internet amazed. The clouds shimmered in multiple colors pink, green and blue. This cloud almost like a painting ...

Sign up for the Morning Brief email newsletter to get weekday updates from The Weather Channel and our meteorologists. The sky isn't just blue by chance. It takes all ...