Unlike ordinary rainbows, fogbows only appear in humid conditions. Here’s the science behind them—and where you have the best ...

Most rainbows are colorful and vibrant, but not this one. A rare white rainbow, also known as a ghost rainbow or a fogbow, was captured on video arcing over the skies of Heihe, Heilongjiang province, ...

Rainbows form when sunlight interacts with water droplets in the air. Light bends, splits into colors, reflects inside the ...