A double rainbow occurs when sunlight is both internally and externally reflected within raindrops in the atmosphere.

Each rainbow is personal – the rainbow you see isn’t exactly the same rainbow the next person sees. It’s all in the eye of the beholder.

A primary rainbow is always somewhere on an arc 42 degrees around the shadow of your head, which is called the anti solar point.

Rainbows are usually seen across the sky, but here they’re captured in miniature form. By carefully controlling angles and ...

The occurrence of a lunar rainbow, a pretty epic view, was documented at Yosemite National Park recently.