Halos are often the result of ice crystals in cirrus clouds. When moon or sunlight shines through these crystals, the light ...

Several News 13 viewers shared images of a ring appearing around the moon Sunday night. A "moon halo" or "moon dog" is an optical illusion created by the collision of light waves with ice crystals ...

Experts say that rings around the moon can pop up from time to time, but have you ever seen one in Denver? Last night, at ...

The folks at Space.com explained that the moon's “halo or lunar halo” is an optical illusion that causes a large bright ring to surround the moon. The halo or circle is created when light is ...

Here’s our mythbuster breakdown on whether the moon can predict the weather. Moon halos, or lunar halos, form when light refracts off of ice crystals in a thin layer of cirrus clouds.

A moon dog occurs at night in the winter when the moon is full, or near full, casting light through high clouds.

A lunar halo has been spotted in the night skies across the West Midlands. The ring around the Moon was seen on Wednesday evening in Shropshire, Warwickshire and Worcestershire. The phenomenon is ...