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What is the aurora borealis? How do the northern lights work? Auroras are ribbons of light that weave across Earth's northern or southern polar regions, according to NASA. Geomagnetic storms that ...

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Southern lights: Australians dazzled by spectacular aurora australis after powerful solar storm - There may be even more spectacular aurora australis tonight ...

The northern lights are expected to grace the skies of some northern states in the wake of a coronal mass ejection from the sun.

Topline The Northern Lights may be visible in several northern and Midwestern states again Friday as the sun approaches the peak of its solar cycle, which is the cause of increased aurora activity.

Thanks to a geomagnetic storm, the aurora could be visible over many states from the Midwest to Oregon, with prime viewing forecast for late Saturday into Sunday.

When will the aurora be visible again? A minor geomagnetic storm (level 1 of 5) is likely this week, according to NOAA's Space Weather Prediction Center.

According to the SWPC, the Kp index, a measure of geomagnetic activity, is forecast to peak at 5.67. The Kp index ranges from ...

The Midwest, Mid-Atlantic, West Coast and even the deep South could be in for an aurora borealis treat Sunday night.

Aurora alert: You may be able to see the northern lights and the southern lights this week, as the stunning display is expected to make another strong showing.