Avid rainbow spotter Yoav Daniel Bar-Ness captures "an ultra-rare" sight on camera, taking photos of a vertical rainbow in ...

A rainbow, cloud bow, morning glories, halo, sun dog (parhelion), or any kind of optical arc in the sky involve some form of water or ice interacting with sunlight. There are a lot of […] ...

Fire rainbows tend to form when thin, wispy cirrus clouds are high in the sky, as they were on Tuesday, about 15,000 feet above the ground, Johnson said. But they also could develop with even ...

Dear Tom, Last summer I saw a rainbow in the western sky. Don’t rainbows occur only in the eastern sky? — Marcy Blainer Dear Marcy, Rainbows form when sunlight passes through a raindrop and ...

Not always the most common thing you’ll see in the sky but maybe you’ve noticed a ‘rainbow cloud’ in the sky during the day. Something that looks like these two pictures. This rare and beautiful ...

Additional photos of the rainbow clouds were taken by photographer Fredrik Broms, showcasing a colorful series of lights in the sky near Tromsø in Norway.Both sets of photographs can be viewed on ...