Those are weird-looking clouds. What 10 different clouds might be telling you. ... Transparent, veil-like clouds with a fibrous or smooth appearance. A sheet of such clouds can cover the whole sky.

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere — and all you need are your naked eyes.

'Space cloud' season is upon us. With a little luck, Brits might be able to spot spectacular noctilucent clouds in the evening sky. The rare night sky phenomenon is seasonal and becomes visible in ...

Rather than having layers mix, sometimes the layers slosh up and down against each other, contorting the clouds embedded in those layers into bizarre sky scenes. The warm mid-levels also supported ...

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 ...

A woman in Calgary, Alberta, Canada, saw a strange, wavy cloud in the sky on Feb. 22, 2025, and took to X, formerly known as Twitter, to crowdsource an answer.

The thin cloud stood out intently against the mountain range and contrasted against the other clouds that filled the sky as the sun set. Several viewers wrote in to our newsroom wondering what ...