Rare nacreous clouds, known as rainbow clouds, form in the skies over Tynemouth Priory in the northeast of England on Dec. 21, 2023. Owen Humphreys/PA Images via Getty Images ...

These rare rainbow clouds are usually only spotted a handful of times. Most of the time, sightings come in January. Seeing them in December, as an extremely cold wave passes through the area, ...

BUFFALO, N.Y. — With so many types of clouds in the sky, some are a little more unique than others. And sometimes, clouds can even shine like a rainbow! Here's why that happens. Over the weekend ...

Edit—6/30/17: After no less than 11 scrubbed launch attempts, NASA finally filled the sky with glowing blue and green clouds. Read more about it here.

Well these rainbow clouds around Spokane have a few of us wondering how they form and what makes them different from the traditional rainbow. It all has to do with refraction.

A rainbow painted the sky over the District on Sunday, but it had nothing to do with rain. Iridescence like this happens when the clouds are very thin and are made of similar-sized water droplets.

This is the spectacular moment a pilot's halo rainbow appears on the clouds below an aircraft. Footage shows the circular rainbow surrounding the plane's shadow, illuminating the sky in Phrae ...

What created these rainbow clouds in the Quad Cities. The unique, colorful clouds filled our skies on Wednesday. Here's how they form. To stream News 8 on your phone, you need the News 8 app.

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.