If you see a ring around the moon, it’s a good idea to have an umbrella or winter coat handy. And of course it’s never a bad move to keep a close eye on your weather forecast. Weather.com ...

For instance, a ring that is the color of "a peacock or fire or silver, or oil or milk, or water" may mean happiness is ...

These observations prompted Mario Sucerquia, an astrophysicist at France's Grenoble Alpes University, and colleagues to investigate whether moon rings could be stable at all. A 2022 study ...