During the day, folks can call this a 'sun halo', but at night and when associated with the moon, try a 'lunar halo'. These ...

Did you see it? 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 ...

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 ...

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

Referred to as a "moon halo," "moon ring" or "22° halo," the glowing ring around the moon is actually an optical phenomena. According to space.com, "the moon's halo or lunar halo is an optical ...

Wendy Sawyer saw this halo in the Lehigh Valley. A rare sight circled the full moon Sunday night ... around the moon. For this to happen the moon has to be very bright, so you often only see ...

Moon halos are more likely to appear on a cold, winter night. The opposite ... senior meteorologist Jonathan Erdman said. If you see a ring around the moon, it’s a good idea to have an umbrella ...