It’s all to do with the raindrops, says one reader, with them needing to be relatively uniform in size and well separated for ...

MACON, Ga. — A rainbow forms when sunlight enters a raindrop. When this happens, sunlight bounces around the raindrop and changes speed and direction. That's called refraction. These changes also ...

As a kid, I remember spotting a rainbow, and getting so excited. Because we all know a rainbow leads to a pot of gold, right? Then in science class, I was crushed to find out a rainbow can’t lead you ...

The higher your vantage point, the more likely you’ll see more of the rainbow’s circle. Chen Hui/VCG via Getty Images The legend goes that there is a pot of gold hidden at the end of every rainbow.

The double rainbow weather pattern will continue today, but in more isolated areas. The lake-effect rain showers today will ...