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 ...

The "moon halo" or "moon dog" is fairly common — especially as the weather gets colder. The ring is actually an optical illusion. It is caused when the moon light refracts off ice crystals in a thin ...

A scientist recently snapped a series of shining arcs and halos of light surrounding the sun in the sky above the U.K., including an exceptionally rare ring of light that circled the entire sky.

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 ...

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 ...

Europe's Euclid space telescope has detected a rare ring of bright light around a nearby galaxy, astronomers have said. The ...

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 a galaxy 590 million ...

The "moon halo" or "moon dog" is fairly common — especially as the weather gets colder. The ring is actually an optical illusion. It is caused when the moon light refracts off ice crystals in a ...