Thanks to Sue of Campbellsburg, IN for sending in this pic. The one at the top of this post is the close up of the circumzenithal arc and the one below is the whole picture. The sun was at the bottom.

On Sunday, Susan Bagwell sent WRAL a beautiful image of what appears to be an upside down rainbow. It appears to be an upside down rainbow, but it's not formed in the same way as a rainbow. It's ...

I wanted to share this photo with you. The clouds were absolutely beautiful and after taking a few pictures, I looked up and noticed the rainbow colors within the clouds, which added to how stunning ...

A circumzenithal arc, an optical phenomenon that looks like an inverted rainbow, appeared in the sky over Xuhui district around 8:20 am Monday morning. Some of the people who spotted the phenomenon ...

GRAND RAPIDS, Mich. (WOOD) — It can stop you in your tracks if you spot it — a rare upside-down rainbow! This kind of rainbow formation is called a circumzenithal arc (CZA), and technically, it isn’t ...

If you think you know what a rainbow looks like, think again - this series of amazing images shows the moment upside-down rainbows were spotted in the sky. The extremely rare weather phenomenon was ...

A NATURAL phenomenon usually seen at the North and South Poles has been spotted in the sky over Brighton. A circumzenithal arc, shaped like an upside-down rainbow and giving the appearance of a smile ...

Seen just a handful of times this stunning phenomena is known as the 'smile in the sky.' Freak weather conditions created this reverse rainbow in Leicestershire where it was pictured by antique dealer ...

Viewers in western Wisconsin today observed a unique atmospheric phenomenon: a circumhorizontal arc! Casually called a 'fire rainbow,' it occurs in summer-time as the sun must be high in the sky, at ...

No, this isn't an upside-down rainbow, and the photographer hasn't faked the picture. It's an unusual phenomenon caused by sunlight shining through a thin, invisible screen of tiny ice crystals high ...

This incredible display isn’t some a futuristic domed city in an alien icy landscape or an artist’s concept of magnetic fields, but a very real optical phenomena here on Earth. Here’s the science ...