Whether it's Saint Patrick's Day or National Find A Rainbow Day (April 3), everyone loves finding a rainbow - and maybe a pot of gold at the end. I can't tell you how to find a pot of gold, but I can ...

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 ...

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 ...

The two main ingredients are of course rain and sun. That means a part of the sky has to be clear for the sun to reach the raindrops. These are conditions which don't happen very often, but when they ...