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

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

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

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 powerful geomagnetic storm caused by an X-class solar flare and a fast-moving coronal mass ejection has disrupted Earth's ...

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

A geomagnetic storm occurs when high-energy plasma and magnetic fields ejected from the sun interact with Earth's magnetic ...

An extreme geomagnetic storm can cause some major issues.

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

A severe geomagnetic storm means there's a chance for a spectacular display of the northern lights over the US tonight.

A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.