Science ❯Physics ❯Astrophysics

Solar Activity

Coronal Mass Ejections Sun Cycle Northern Lights Sunspot Activity Magnetic Reconnection Magnetic Fields Solar Cycle

Sunspot AR3664 Returns, Potential for More Powerful Solar Storms

The sunspot responsible for May's historic geomagnetic storm is back, raising the possibility of more auroras and technological disruptions.

Northern Lights Expected to Dazzle Again Soon

‘Devil Comet’ 12P/Pons-Brooks Makes Final Northern Sky Appearance Before Heading South