Sun activity: Flares! Filaments! CMEs!

On August 16, 2022, sun activity produced 4 M flares and several Earth-bound CMEs. Auroras are coming!

Sun activity: Week of August 8, 2022

Looking for the current page on sun activity? Click here. Update August 14: A super-long coronal hole Today’s top sun...

Sun activity: Week of August 1, 2022

Sun activity for the week of August 1, 2022: Activity remained low on the sun's Earth-facing side, however, plenty of action occurred on the far side.

Sun activity: Week of July 25, 2022

Sun activity week of July 25, 2022: Mostly quiet. But by July 31, we started seeing activity on the sun's far side. It might soon rotate into our view.

Sun activity: Week of July 18, 2022

Looking for the current page on sun activity? Click here. July 24 update: Bam! Beautiful filament eruption Today’s top sun...

Sun activity: Week of July 11, 2022

Looking for the current page on sun activity? Click here. July 17 update: Lots of filament eruptions Today’s top sun...

Sun activity: Week of July 4, 2022

Looking for the current page on sun activity? Click here. July 10 update: Beautiful eruption! Today’s top sun news: Sun activity...

Geomagnetic storms: Will you lose power where you live?

Scientists studied past geomagnetic storms to learn more about how strong storms affect the power grid. The maps here show areas most at risk.

Sun activity: Week of June 27, 2022

Looking for the current page on sun activity? Click here. July 3 update: Calm again after auroral display Today’s top...

Sun activity: Week of June 20, 2022

Sun activity news for the week of June 20 included some C-class flares and a beautiful CME. Read about past sun activity here.