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 ...

Scientists have been baffled by a mysterious halo of red light that has appeared over a small Italian town for the second time in three years. An incredible image captures the bizarre UFO–like ring ...

CAPE CANAVERAL, Fla. (AP) — Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday. The halo, known as an Einstein ring, encircles ...

Residents woke up baffled after seeing a strange and eerie "ring of light" surrounding the moon. Margate resident Jessica Mayoh posted a picture of the glowing circle in an attempt to find out what it ...

Many Calcuttans were glued to the sky on Tuesday morning when a ring of light appeared around the sun. Cellphones started clicking on the streets and the shots got posted on social media.