My commentaries in Forbes tend to focus on weather, climate, and broadly related science. I am a scientist and educator not a journalist so my perspectives are often motivated by certain angles that I ...

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 ...

Rainbows form when sunlight interacts with water droplets in the air. Light bends, splits into colors, reflects inside the droplets, and then bends again as it exits, creating the visible spectrum.