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, are one of ...

The skies above Dublin, Ireland, and northeast England became a spectacular site of "utterly transfixing" iridescent lights Thursday morning. Rare "rainbow clouds" formed in the early morning, ...

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. local ...

Tuesday evening, if you happened to be looking up, you may have seen some rainbow-esqe clouds high in the sky. As showers and thunderstorms moved across Orlando, several viewers sent in photos to FOX ...

So-called polar stratospheric clouds were seen over Norway, Sweden, Finland, Alaska, and Scotland. Some saw the clouds for three days in a row, a very rare occurrence. Arctic observers were granted a ...

PORTLAND, Ore. (KOIN) — Portlanders may have noticed rainbow-colored clouds floating overhead Sunday afternoon. Viewers Hanna and Emma Buckingham provided these photos of the clouds, which they said ...

PALM BEACH COUNTY, Fla. — A beautiful and relatively rare sight was captured Wednesday evening over Palm Beach County as a rainbow cloud formed. Cloud iridescence is also called a rainbow cloud or a ...

In and around the Arctic Circle, stunning multicolor clouds have been shining in the sky for days on end. It is very unusual to see so many of these vibrant clouds over such a long period. When you ...

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. Some saw ...