The visual effect is known as a lunar halo or a 22-degree halo, and it's caused by light from the moon hitting millions of ...

There’s an old saying that goes like this: “Ring around the moon, rain soon.” Sometimes snow is part of it, too. Here’s our mythbuster breakdown on whether the moon can predict the weather. Moon halos ...

Experts say that rings around the moon can pop up from time to time, but have you ever seen one in Denver? On Sunday night, between 9:15 and 9:35 p.m., a lunar halo appeared above the metro area.