On the night of March 13, 1997, thousands of Arizonans looked up and saw something they couldn’t explain—a massive, V-shaped formation of lights hovering in the sky.

The lasting effects of a geomagnetic storm are expected to pull the northern lights to more states, forecasters said.

Forecasters predict a fair amount of aurora borealis activity that will decrease significantly by Thursday night.

In our latest Beyond the Forecast special on WPRI.com, 12 News Meteorologists T.J. Del Santo and Steven Matregrano go in-depth on the astronomical events we’ve been experiencing, from ...