In the Midwest, northern Minnesota, Wisconsin and Michigan’s Upper Peninsula could all see aurora formation Sunday night, ...

The aurora borealis may make an appearance this week across the northern U.S. Find out if it will be visible in Illinois.

A coronal mass ejection hurtling from the sun toward Earth could trigger a geomagnetic storm, making the northern lights ...

Auroras may be visible from Alaska to Illinois as an incoming solar storm could spark geomagnetic storm conditions overnight.

A geomagnetic storm will expand visibility of the aurora borealis Thursday and Friday nights. See maps of which states will ...

A solar storm is forecast for Aug. 7 and 8, creating favorable conditions for the northern lights. Here's where the northern ...

More than a dozen states in the northern U.S. might have an opportunity to see the northern lights Thursday, as a recent ...

A geomagnetic storm could spark some impressive auroras in the night sky over parts of the U.S. overnight Thursday into ...

A coronal mass ejection hurtling from the sun toward Earth could unleash the northern lights in up to 18 states in the US.

The Kp index is a scale from 0 to 9 used to measure geomagnetic activity. The higher the number, the more likely auroras are ...

A coronal mass ejection hurtling toward Earth could trigger a geomagnetic storm, making the northern lights visible in up to ...

The northern lights have creeped further south, but will Tennesseans be able to catch a glimpse of them again?