A blue sky is a good sky. It's a reassuring sight that promises clear weather and bright days. But what does it mean when the sky turns purple? While it's not uncommon to spot purple skies during ...

Related: Roses Are Red, Violets Are Blue—Here's an Essential Guide to ... colored with this expensive dye. That’s why purple ...

It really is that purple. This phenomenon is the result of a combination of the sun setting and the low clouds commonly found as a storm exits the region. You've noticed the sky and clouds turning ...