If you saw the northern lights — either with your own eyes or with the help of your phone — you may have noticed an array of colors. But what causes the different shades of greens, reds ...

The northern lights surprise stargazers by appearing in many forms—from patches or scattered clouds, to streamers, arcs, rippling or dancing curtains. The lights move and change shape and color.

Meteorologist Taylor Stephenson explains the astronomy and meteorology behind the formation of the Northern Lights.

Other states where it’s possible to see the lights include Oregon, Wyoming, Nebraska, Iowa, northern Illinois, Indiana, Ohio, Pennsylvania, New York and New England. Experts have long struggled ...

Residents in several Northern states may be able to catch the dazzling display in the night sky tonight and/or tomorrow. Will we see it in New Jersey?