A spectacular photograph has captured the moment a bolt of lightning struck against the backdrop of a stunning double rainbow. Evie-Mae Parkinson, 19, took the 'once in a lifetime' photograph in ...

Watch: This photographer's footage of a double rainbow, as seen from a trail in the Golden Gate National Recreation Area, ...

Rainbows happen when sunlight is refracted and dispersed in drops of rain or mist. Water is denser than air, so sunlight ...