Bizarre, beautiful clouds—known as mother-of-pearl clouds because they resemble the inside of a pearl oyster shell—have been caught on camera high in the sky over Norway.. These polar ...

Additional photos of the rainbow clouds were taken by photographer Fredrik Broms, showcasing a colorful series of lights in the sky near Tromsø in Norway.Both sets of photographs can be viewed on ...

A note overlaid on the video says, "Never in my life have I seen a cloud so big it blocks the sunrise all the way across the sky." The clip has amassed 4 million views since it was first shared on ...

WRAL viewers submitted photos of beautiful clouds they saw in the sky before Wednesday night's storms. WRAL meteorologist Elizabeth Gardner said they're actually quite common. "It's a beautiful ...

Early Tuesday morning, a delicate, wispy cloud type rarely seen formed over western Montana, lighting up the pre-dawn sky.