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

“An S4 severe solar radiation storm is now in progress—this is the largest solar radiation storm in over 20 years,” SWPC declared on X. The storm is still ongoing, with a potential impact on space ...

Earth endured its most intense solar radiation storm in over 22 years on January 19, 2026, a day after a powerful X1.9-class ...

Solar Orbiter has captured the clearest evidence yet that a solar flare grows through a cascading “magnetic avalanche.” Small ...

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

Solar prominences occur when the sun’s plasma, flowing along the magnetic field lines that the sun creates, forms a loop into space along the edge of the sun’s disk. When a prominence becomes ...