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

Space weather experts have warned about potential G4-class geomagnetic storm conditions—one of the more severe classifications expected to peak today, June 2. The origin of this solar unrest is ...

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 ...

A violent solar eruption on May 31 launched a coronal mass ejection (CME) hurtling toward Earth, triggering a rare G4-level geomagnetic storm alert. Captured in real-time by U.S. Naval Research ...

The National Oceanic and Atmospheric Administration has issued a G4 (severe) geomagnetic storm watch for Sunday night into Monday.

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 ...

The geomagnetic storm was triggered by the impact of a coronal mass ejection (CME) from the Sun. A powerful geomagnetic storm ...

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

The CME arrived at Earth on Sunday, producing a "severe" (level G4 out of G5) geomagnetic storm, causing disruptions to the planet’s magnetosphere and triggering displays of Northern Lights as ...

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

The northern lights were visible last night and created a dazzling show over parts of New England. The aurora could be seen ...