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'.

Rainbow-coloured clouds have been spotted across the East of England for the first time in seven years, a meteorologist said. BBC Look East weather presenter Dan Holley said the nacreous clouds ...

The natural spectacle known among experts as a pileus cloud, or a "cap" or "scarf" cloud, usually forms in the evening and then creates a "shimmer" of cloud cover. According to reports, fast rising ...

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 ...

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 ...

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 ...

Arctic observers got a rare festive treat when rainbow-colored clouds appeared in the skies. So-called polar stratospheric clouds were seen over Norway, Sweden, Finland, Alaska, and Scotland.

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.

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 ...

Rare "rainbow clouds" have been spotted in skies above the UK. A number of people across the country have been treated to views of the colourful nacreous clouds this week.

Rainbow-coloured clouds have been spotted across the East of England for the first time in seven years, a meteorologist said. BBC Look East weather presenter Dan Holley said the nacreous clouds ...