Add Yahoo as a preferred source to see more of our stories on Google. A blue sky with the sun surrounded by a white circle bisected with a white line and two bright spots either side of the circle. A ...

A halo around the sun or moon is an optical phenomenon created by refracted sunlight or moonlight through tiny ice crystals that make up high-altitude clouds. The light is refracted in 22-degree ...

An eerily-prefect ring of light was spotted around the full moon in Florida during the recent launch of a SpaceX Falcon 9 rocket, creating a stunning new photo. When you purchase through links on our ...

On Reddit, users located as far as the U.K. also reported seeing the ghostly phenomenon. A moon halo is actually an atmospheric optical illusion that causes a large, bright ring to surround our ...

How does a lunar halo form? Halos are often the result of ice crystals in cirrus clouds. When moon or sunlight shines through these crystals, the light refracts or bends. In this case, it does so at ...

Halos are light rings around the sun or moon, created by the refraction of light “off ice crystals present in a thin veil of cirrus clouds,” according to the National Weather Service. Chloe Brady, ...

At least three separate optical phenomena are visible in the new images. Each of which is created by light refracting through millions of perfectly aligned ice crystals in the upper atmosphere. When ...