Science ❯Astronomy

Solar Activity

Solar Activity Space Weather Atmospheric Sciences Solar Phenomena Auroras United States Auroras Solar Activity Auroras Radiation

NASA Warns of Intensifying Solar Activity Threatening Communications and Power Grids

An X2.7-class solar flare has already caused radio blackouts and power disruptions, with active sunspot AR4087 poised to unleash further impacts.

NASA Warns of Potential Solar Storms as Sunspot AR4087 Faces Earth

Minor Geomagnetic Storms Follow Solar Flare and Filament Eruption

Sunspot AR4087 Produces Year’s Strongest Solar Flare, Disrupting Communications Globally

Strong Solar Storm to Bring Northern Lights Farther South and Disrupt Technology

Geomagnetic Storm Sparks Widespread Aurora Displays Across Northern Hemisphere

Northern Lights Visible in Unusual Locations as Solar Activity Peaks

Northern Lights Visible Across 22 U.S. States During Strong Geomagnetic Storm

Valentine’s Day Northern Lights Expected Across Parts of the U.S.

Solar Storm to Illuminate Northern Lights Across Northern U.S. States This Weekend