Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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 ...

Rainbows have been spotted in the strangest of places, and last week was no different. A vacationer in Cancun, Mexico spotted a rainbow form near a waterspout in Cancun, Mexico. The vacationer ...