-- Stunning video captured a rainbow in the clouds over Ribeirao Claro, Brazil, in a meteorological phenomenon known as cloud iridescence. Iridescence like this happens when the clouds are very ...

"Cloud iridescence reminds me of pixie dust or unicorn sprinkles." So-called rainbow clouds are fairly rare, said Carfango, who co-hosts "America's Morning Headquarters." ...

Check out today's photo of cloud iridescence, taken in Cooperstown. This is caused by light interacting with very small water ...

Iridescence is indeed beautiful and eye-catching. From an evolutionary perspective, though, it doesn’t quite make sense to stand out so grandly, unless this form of structural color is mainly ...

The interlocking barbules of peacock feathers also have this unique structure—hence their many-hued iridescence. Nell had photographed peacock feathers before, albeit at lower magnification.

WeatherTalk: If it isn't a rainbow, it might be iridescence Cloud iridescence is most common in thin clouds made of tiny water droplets.

Iridescence, being the property of changing appearance from slight changes in perspective, can describe BROCKHAMPTON’s approach to pressure — this constant swing between vulnerability and zeal.