Stargazers in parts of Europe were stunned by an unusual sight on Monday evening: a large, glowing blue spiral in the sky.

These clouds tend to form behind a cold front like ... The First Warning Weather Team's favorite pics are ones where we can see blue sky and rainbows, since it usually means clearing is on the ...

Sunday turns much colder, with highs in the low to mid-30s. After a few morning clouds, nearly total blue sky is expected in ...

Sunset tonight will feature mostly clear skies with only a few fair weather clouds. No more than about 20% of the sky will ...

As a cloud comes out from behind the dark clouds into a bright blue sky, it is edged with a silvery lining. Thus we are moving from relative darkness into bright light and the meaning of the idiom ...