A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), potentially triggering colorful auroras over the northern U.S.

The stunning northern lights should continue well into the weekend and may reach down into the middle parts of the US.

Related: 4 Planets Will Align in the Sky Every Night of January—Here's How to See the Display. According to NASA's Jet Propulsion Laboratory, the northern lights are created by ...

The northern lights, or aurora borealis, are poised to dazzle U.S. skies tonight, stretching farther south than usual due to an impending geomagnetic storm. According to the National Oceanic and ...