It looked like a portal to a whimsical parallel universe. The internet was left in shock over a “rainbow cloud” that emerged over a city in China like some interdimensional phenomenon.

Strange "rainbow clouds" that look like a colorful portal to another dimension have recently appeared across northern skies. These nacreous clouds, also known as polar stratospheric clouds ...

A stunning weather phenomenon was spotted over parts of Virginia this week – a so-called "rainbow cloud," which looks like a bright prism of color behind soft clouds. Several people in Hamilton ...

Following the sweeping path of a cold wave through the Arctic, the skies were alight with rare polar stratospheric clouds, which presented a rainbow-like show throughout the sky. Images of the ...

Rare "rainbow clouds" formed in the early morning, creating waves of yellows, pinks and blues above homes. Locals took videos of the clouds, which give the sky an almost oil slick-like sheen.

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 ...

Credit: NASA / JPL-Caltech / MSSS A rover got a new view of some peculiar extraterrestrial clouds, flecked in rainbow colors and moving across the Martian sky. Scientists have released a video of ...

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, ...

Unlike regular rainbows, which are caused by sunlight passing through raindrops falling in the sky, rainbow clouds require much more specific conditions described as cloud iridescence.