The atmospheric phenomenon, technically known as a circumhorizontal arc, only occurs at precise locations under specific conditions.

Rainbows may be a trick of the eye, but they’re also based in fascinating optical physics. Here's how they work and why we ...

A rare atmospheric optical phenomenon called a "glory" was caught on video during descent on a Manchester, New ...

At the same time, intense winds whipped snow from the surrounding ice sheet, adding streams of white across the glacier. This ...

A rare atmospheric optical phenomenon, called "glory" was caught on video during decent on a Boston-bound flight on Monday. "I flew back from Florida this past Monday and as we started our decent, I ...

Now that the sun has reached its solar maximum, aurora chasers should expect the northern lights to appear more frequently in ...

Halloween is here and scientists at the Nation Oceanic and Atmospheric Administration (NOAA) are claiming that elves and ...

In a stunning visual revelation from above Earth's atmosphere, NASA astronaut Matthew Dominick has documented a breathtaking and rare celestial event.

A satellite hundreds of miles above Earth captured rare images of an atmospheric phenomenon that makes Antarctica glaciers ...

Bay Area residents were treated to an atmospheric spectacle on Saturday afternoon when a brilliant "22 degree halo" appeared around the sun. This optical phenomenon, as captured in a photo by ...