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

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

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 ...

Here's when to spot a lunar halo in the night sky Although many lunar phenomena are one-night-only events, a ring around the moon is much less elusive. Also known as a lunar halo, a bright white ...