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 ...

Northern lights may once again be visible deep into mid latitudes tonight as geomagnetic storm conditions continue to wreak havoc with Earth's magnetic field.

A strong solar storm is currently impacting Earth. The event, triggered by a major solar flare, may cause widespread auroras. Satellite and GPS interference are possible. Power grid instability is ...

Local weather alerts are familiar warnings for potentially dangerous conditions, but an alert that puts all of Earth on ...

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

A G4 (Severe) geomagnetic storm watch is in effect for 2 June. A powerful coronal mass ejection (CME) erupted from the Sun the evening of May 30th. The CME is anticipated to arrive at Earth later ...

Rare G4 geomagnetic storm on Saturday put on a show across Colorado skies as geomagnetic activity will push auroras farther south than usual. Although it was initially forecast to peak on Sunday night ...

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 ...

Federal officials say a G3 (strong) or G4 (severe) geomagnetic storm is possible, weather that could disrupt power systems, impede satellite operations and hamper radio communications. The Space ...

The Space Weather Prediction Center is forecasting a G4 geomagnetic storm to continue during the night of June 1 into the morning of June 2. In order to see the Northern Lights this far south in ...

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 ...