PITTSBURGH (KDKA) — Light pillars are becoming visible around the area thanks to the cold temperatures the Pittsburgh area has been experiencing as well as moisture moving in with the next ...

But more notable is the bright beam of light shooting directly up from the horizon over the sun. That's called a sun pillar. According to the National Weather Service, the optical phenomenon ...

A column of light shot up into the sky from Mount Etna, a volcano on the Italian island of Sicily, creating a spectacle. A column of light refers to the phenomenon where sunlight is reflected by ...