The storm could also impact power systems and spacecraft operations.

A G-4 Geomagnetic Storm Watch has been issued for tonight and early Tuesday. This is considered a severe solar storm watch, ...

A geomagnetic storm that occurred on Sunday may make the Northern Lights visible on Monday or Tuesday, the National Oceanic ...

A fast CME slammed into Earth on Jan. 19, unleashing hours of intense auroral activity and lighting up skies far beyond the ...

A powerful geomagnetic storm caused by an X-class solar flare and a fast-moving coronal mass ejection has disrupted Earth's ...

A rare and fast CME triggered a severe G4 geomagnetic storm, producing brilliant auroras seen across Europe and the U.S.

A geomagnetic storm occurs when high-energy plasma and magnetic fields ejected from the sun interact with Earth's magnetic ...

A severe geomagnetic storm means there's a chance for a spectacular display of the northern lights over the US tonight.

A severe geomagnetic storm has arrived at Earth, with conditions reaching G4 (severe) levels, South Africa’s National Space ...

A “severe” geomagnetic storm could bring a kaleidoscopic array of colors to night skies across the US on Monday — including ...

The night sky could once again be lit up by the northern lights as a Severe (G4) geomagnetic storm watch is in effect for ...

Skywatchers across the U.S. will have their chances to view the Northern Lights this week as a geomagnetic storm takes place.