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 great places to ...

Rare rainbow-coloured clouds were spotted over parts of Indonesia, drawing attention on social media. The visual showed soft, multicoloured bands appearing across a thin layer of cloud, creating a ...

Rare “twinned” rainbows appeared over Pensacola, Florida, with up to five arcs visible. (Image: Haleigh Hannah/Donnie Dania) A rare "twinned" rainbow with five arcs appeared in Pensacola, Florida.