"When it comes to atmospheric optics, one of the most captivating and awe-inspiring phenomena is the circumzenithal arc," reads the Atmospheric Optics website. "Imagine a rainbow that has escaped its ...

As an awe-inspiring phenomenon in the sky, the rainbow is a common occurrence. You might remember making rainbows with prisms as a science experiment on light refraction when you were in school.

Seeing a rainbow in the sky is one of those natural wonders that always amazes us no matter how many times it happens. The combination of vivid colors and its timing right after a downpour always ...

MOLINE, Ill. — Rainbows are one of nature's most beautiful and calming displays, taking light and bending it in a certain way that brings out the beautiful colors of the visible light spectrum. Many ...