The speedy solar storm arrived in style, sparking stunning aurora displays as far south as California and New Mexico.

An intense solar eruption recently triggered a rare "severe geomagnetic storm" alert for Earth, with the U.S. Naval Research ...

A geomagnetic storm is headed toward Earth, potentially bringing displays of the northern lights and disruptions to critical infrastructure.

Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth’s atmosphere to ...

Northern lights may once again be visible deep into mid latitudes tonight as geomagnetic storm conditions continue to wreak ...

Severe geomagnetic storm conditions are expected tonight. The energy forecast from the geomagnetic storm makes northern lights a strong possibility tonight.

Due to its likely path toward Earth, however, the SWPC said geomagnetic storm conditions reaching G4 strength (on a one through five scale) could impact Earth through Monday and into Tuesday. This ...

A strong solar storm is currently impacting Earth. The event, triggered by a major solar flare, may cause widespread auroras. Satellite and GPS interf ...

"Severe" geomagnetic storm levels were reached on Sunday, and millions of Americans across the nation – perhaps even as far as the Deep South – may have been treated to a rare display of the Northern ...

During a solar storm or geomagnetic storm, these extra charged particles or CMEs ... A Kp value of 8, 9 was observed early this morning which put this storm into the G4 category. Check the latest from ...

Rare G4 geomagnetic storm on Saturday put on a show across Colorado skies as geomagnetic activity will push auroras farther ...

It's likely that the active geomagnetic storm conditions will continue for some time, which is good news for those in Europe, where the sun was already up when this G4 storm began. "G4 storm ...