The streaks of light are created by tiny crystals of ice within the clouds, which cause the rays of sunlight to scatter when they hit them, creating what looks like streaking rainbows across the sky.

SPRINGVILLE, Utah (KUTV) — Rainbow clouds, also called "fire rainbows," have been spotted over Utah County. The colorful phenomenon was made possible thanks to cloudiridescence, whichoccurs ...

A spectacular movement of rainbow-colored clouds has been spotted in the skies above Scotland. The rare view was captured near Nairn Beach on Christmas Eve, shortly after sunrise around 9 a.m ...

The phenomena, though, was actually a cloud and not a rainbow. A Pileus cloud, also referred to as a cap cloud and a scarf cloud, was visible in Haikou on August 21.

An incredible scarf cloud danced above a town in southern China earlier this week. Here’s how this stunning cloud got its rainbow hue. A town in southern China witnessed a once-in-a-lifetime ...

Like a rainbow, this beautiful effect is produced when there are suspended water droplets present. But these water or ice droplets are extremely tiny and spread out over a particular type of cloud.

The internet was left in shock over a “rainbow cloud” that emerged over a city in China like some interdimensional phenomenon. A clip of the meteorological anomaly amassed more than 28 million ...

Jet streaks can be hard to spot in satellite images, but the cirrus arc on display here is a giveaway. It's a rare view of a scenic formation that rivals some of NASA's best cloud views from space.

The cloud must be thin and have lots of water droplets or ice crystals of about the same size. When that happens, the sun's rays encounter just a few droplets at at time.