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 even a rainbow at all ...

Meteorologist Brandon Weatherz explains what conditions must fall into place in order for a rainbow to form.

Scientists have understood the basics of rainbow formation since at least Descartes' time: Sunlight interacts with water droplets in the sky, and the light is both reflected and refracted as it ...

So what exactly is a rainbow, anyway? Rainbow formation explainer - Baron/The Weather Network ...

You see color in a rainbow. Using that perspective, a leading atmospheric scientist discusses the recent affirmative action ruling ...

If you can’t conceptualize that, don’t worry, neither can I. Suffice it to say that Rainbow Springs is the fourth-largest spring formation in Florida and a first magnitude spring.