In the awe-inspiring footage, shot in Haikou city, Hainan, and posted on Aug. 26, the resplendent circle can be seen hovering over a dark cloud like some sort of cosmic shaved ice.

Some Coloradans have noticed rainbow clouds over the past few days? This is actually a rare phenomenon called "cloud ...

According to NOAA, the phenomenon is "relatively rare" and only happens when a cloud is thin and full of water droplets or ice crystals. Rare nacreous clouds, known as rainbow clouds, form in the ...

Known as mother-of-pearl clouds due to their iridescent rainbow sheen, polar stratospheric clouds are a rare atmospheric phenomenon that form under extremely cold temperatures—below minus 108 ...

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 ...

Nacreous clouds also known as polar stratospheric clouds have been appearing across northern skies. We've rounded up some of the best photos of these rare 'rainbow clouds'.

In order to see this, all of the cloud droplets need to be of the same size." The cloud must be within the general proximity ...

They occur when the sun's rays interact with ice crystals or water droplets in the high-altitude clouds. That causes the light to diffract and scatter into a spectrum of the colors of the rainbow.

A rare rainbow-coloured cloud amazed residents in Indonesia. Footage shows the vibrant weather phenomenon in neon red, blue, green, yellow, and violet behind dark clouds in the sky in Tidore city ...

NASA's Curiosity rover has captured images of rainbow-colored noctilucent clouds in Mars' atmosphere. Made of dry ice, these aren't like Earth's clouds.

A 22-degree halo was spotted over Seaside Friday evening as high, thin cirrus clouds moved over the coast as Oregon prepared for another cold front. This atmospheric optic happens due to the ice ...