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.

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

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

A solar radiation storm stronger than one we’ve seen in over two decades is in progress, the Space Weather Prediction Center ...

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