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.

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 ...

Call it a marriage of timing, equipment and the elements. This photographer chanced upon a rainbow forming over a waterfall at this popular North Cascades lake.

Sky watchers in Minnesota are blown away by a stunning double optical effect that unfolded in Morris, MN. Locals witnessed a vibrant double optical effect in the sky on Wednesday, as much of the state ...