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 ...

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 ...

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 ...

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 ...