Watch: This photographer's footage of a double rainbow, as seen from a trail in the Golden Gate National Recreation Area, ...

Seeing a double rainbow in the sky is an extremely rare phenomenon ... reason and intuition, light and darkness. A reminder that nothing is absolute.

Have you ever seen a rainbow in the sky? Rainbows happen when sunlight passes through raindrops in the sky. When this happens, light becomes separated into a rainbow of colors—red, orange ...

NASA explained a moon illusion is "where the moon appears larger when it's near the horizon than when it's higher in the sky." A moonbow is is "a rare rainbow-like light display caused by ...

NASA explained a moon illusion is "where the moon appears larger when it's near the horizon than when it's higher in the sky." A moonbow is is "a rare rainbow-like light display caused by ...

NASA explained a moon illusion is "where the moon appears larger when it's near the horizon than when it's higher in the sky." A moonbow is is "a rare rainbow-like light display caused by ...