GRAND RAPIDS, Mich. (WOOD) — It can stop you in your tracks if you spot it — a rare upside-down rainbow! This kind of rainbow formation is called a circumzenithal arc (CZA), and technically, it isn’t ...

A stunning natural spectacle recently graced the skies above Hong Kong, captivating onlookers with its surreal beauty. Rainbow-colored clouds in the shape of a “stairway to heaven” were spotted over ...