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Solar Activity

Solar Maximum Solar Flares Coronal Mass Ejections Auroras Radio Waves Superflares Aurora Borealis Geomagnetic Storms Solar Eclipse Characteristics Solar Minimum Solar Storms Solar Cycle Solar Cycles

Geomagnetic Storm Keeps Aurora Borealis Glowing Over Northern U.S. Wednesday Night

Fueled by solar maximum activity, NOAA predicts a Kp index of 4 on May 28, extending auroral displays well into northern U.S. states.

Study Suggests Sun May Be Overdue for Rare and Powerful Superflare

Northern Lights to Grace Skies Across Northern U.S. States

Sun Enters Solar Maximum, Triggering Intense Space Weather

Northern Lights May Be Visible in Multiple U.S. States Tonight Due to Solar Activity

NASA Launches CubeSats to Investigate Solar Radio Signals