Nacreous clouds, or ice polar stratospheric clouds, are a rare type of cloud that forms in very cold conditions and at high altitudes. They are known for their iridescent colors, which are created ...

At an early age, one of the first science lessons for most will probably be a lesson on the various types of clouds in the sky. However, it might surprise you to learn that cloud formations are ...

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 ...

"I was lucky enough to spend time with some very rare nacreous clouds this morning appearing & evanescing near Swords, north county Dublin," said one person who posted a video of the clouds on ...

Never seen anything like it before !!" So what exactly are nacreous clouds — and will there be any more opportunities to see more before the end of the year? Nacreous clouds are known for ...

Nacreous clouds, also known as mother-of-pearl or ice polar stratospheric clouds, are made of very cold ice. When the sun goes down they catch the light and reflect brilliant colors.

The ones that recently formed over the Arctic were Type II. Type II PSCs are often referred to as nacreous clouds because their iridescent hues can sometimes resemble nacre, also known as mother ...

Because nacreous clouds can only exist in such frigid conditions, they’re not often seen outside polar regions. But not often isn’t never—and observations of nacreous clouds in southern ...

They look like a stunning Impressionist masterpiece or mother of pearl in the sky. And while nacreous clouds are usually a rare sight in the UK, they've been spotted across Britain this week.

Known commonly as 'rainbow clouds', in science circles the spectacle is known scientifically as Nacreous cloud, which is usually formed in polar regions when the sun is just below the horizon.

Skies across England and Scotland looked more colourful than usual this week after onlookers spotted some nacreous clouds. The rare phenomenon, identifiable by an array of shimmery pastel colours, ...