On Tuesday, NOAA issued a G4, or severe, geomagnetic storm watch in response to recent coronal mass ejections, or CMEs, from the sun. CMEs are huge bubbles of coronal plasma that the sun occasionally ejects, NASA says. The highest geomagnetic storm level is G5, which is considered extreme.

Nature offers many dazzling displays, from jagged flashes of lightning to radiant sunsets. But perhaps one of the most elusive natural phenomena is the shimmering waves of green, pink, and red dancing across the night sky,

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.

Fans who attended or watched Wednesday's MAC showdown between Toledo and Miami (Ohio) got a special treat in the third quarter.

Northern Lights may dazzle again tonight as a severe geomagnetic storm reaches peak intensity across regions. Follow live.

The Statesman collaborated with readers to gather photos of the aurora borealis throughout Central Texas. Here are the eerily beautiful results.

After back-to-back northern lights shows in the Badger State, residents will have two more chances to see the aurora this week.

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.