Northern lights were reported across mid-latitudes, with sightings stretching from Germany to the southwestern United States, ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

The storm could also impact power systems and spacecraft operations.

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

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

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

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

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

The northern lights may be seen in Massachusetts tonight as an X-class solar flare could cause a severe geomagnetic storm.

The northern lights may not have been as bright as you expected, but Earth’s atmosphere was still highly active.