The northern lights could be visible across 10 U.S. states (or maybe more) tonight (Nov. 13-14) as soon as it gets dark, so it's worth keeping an eye on the sky throughout the evening, especially in areas with clear, dark skies.

Photos show the lights illuminating the sky in vivid color across the U.S. this week. They'll be visible again in some states on Thursday.

Many missed this week’s aurora due to clouds, light pollution or a simple lack of patience. Here’s how to prepare better.

After displays of auroras lit up the sky on Tuesday, another Northern Light array is expected to bring a gleaming light show to the northern part of the U.S. Wednesday.

Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection could spark severe geomagnetic storm conditions overnight.

Bands of green and red first pierced through the hazy night sky around 9:30 p.m. above the pier at Grand Haven State Park.