Halos can form around both the sun and the moon, but stars are not bright enough to produce a halo effect. They form when tiny ice crystals refract and reflect the light in an organized way.

A mysterious halo around the sun isn’t just a beautiful sight—it could be a warning. Learn the science and ancient beliefs behind this rare phenomenon and why it might signal an approaching storm.

According to meteorologist Colleen Hurley, the photo captures a regular, common halo around the sun, colored spots of light on either side of the sun known as "sundogs," an upper tangent arc and a ...

PORTLAND (WGME) --Have you ever seen a halo around the moon? Some Mainers caught a halo around the moon on Friday night ahead of this past weekend's snowstorm. How does a halo form and what does ...

I'm a sucker for a laser treatment. Whenever friends ask me how I maintain my smooth and even skin texture, I always chalk it ...

I was heading out to go home when I looked up to see what I think was a rainbow around ... of this lunar halo! You will most often see halos (and other atmospheric optics like sun dogs ...