COLUMBUS, Ohio (WCMH) — Central Ohio had a brief and unusually vivid display of cloud iridescence in the early afternoon Thursday, referred to as “rainbow clouds,” within a field of cirrus. The colors ...

MACON, Ga. — A rainbow forms when sunlight enters a raindrop. When this happens, sunlight bounces around the raindrop and changes speed and direction. That's called refraction. These changes also ...

A stunning natural spectacle recently graced the skies above Hong Kong, captivating onlookers with its surreal beauty. Rainbow-colored clouds in the shape of a “stairway to heaven” were spotted over ...

Add Yahoo as a preferred source to see more of our stories on Google. The higher your vantage point, the more likely you’ll see more of the rainbow’s circle. Chen Hui/VCG via Getty Images The legend ...

As a kid, I remember spotting a rainbow, and getting so excited. Because we all know a rainbow leads to a pot of gold, right? Then in science class, I was crushed to find out a rainbow can’t lead you ...

Rainbows form when sunlight interacts with water droplets in the air. Light bends, splits into colors, reflects inside the droplets, and then bends again as it exits, creating the visible spectrum.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Can rainbows form in a circle? – Henry D., age 7 ...