iWitness contributor mered3th snapped this image of double rainbows in Marietta, Ga. What's found at the end of the rainbows? The Weather Channel headquarters! (iWitness/mered3th) Double rainbows: If ...

This is an article from Curious Kids, a series for children. The Conversation is asking kids to send in questions they’d like an expert to answer. All questions are welcome – serious, weird or wacky!

The formation of a rainbow requires the observer to be between the sun and falling rain, with the rain in front and the sun behind. Sunlight passes from behind the observer, refracts as it enters each ...

Rainbows, with their bright bands of colors appearing in the sky, captivate both young and old. But what causes this natural phenomenon? Sunlight appears white but is actually composed of all the ...

Everyone loves a rainbow. These bands of colour arching across the sky after a summer shower are one of nature's most beautiful phenomena. But there's more to rainbows than meets the eye. Here are ...