Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.

New research has pinpointed the exact date when the strongest ever solar particle storm hit the Earth. This identification of the event, which occurred in 12,350 B.C., rewrites what scientists ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A massive solar particle storm during the last Ice Age was ...

The sun remains active, and a geomagnetic storm alert has been issued for June 24-25, as a recurrent, negative polarity coronal hole continues to influence a high-speed stream, likely bringing space ...

Earth is in the midst of a moderate solar storm - but will it be strong enough to cause technology disruptions? The National Oceanic and Atmospheric Administration's (NOAA) Space Weather Prediction ...

The sun has a bone to pick with Earth — and it’s not done yet. A colossal solar storm just zapped the daylight side of the planet, causing global blackouts and knocking out radio signals across Europe ...

On Sept. 1, much of Europe and North America were treated to a rare nighttime display. Unlike the lights that dazzled most of ...