Another geomagnetic storm looms Monday night after a severe storm produced strong northern lights forecasts last week.

What's the difference between a solar flare and a coronal mass ejection? And how do they lead to auroras?

The northern lights could once again grace US skies over the coming days. A minor geomagnetic storm is projected to impact ...

Projections suggest auroral activity could increase in 2025 as activity on the sun’s surface maintains a “solar maximum.” ...

NASA's Solar Dynamics Observatory captured a magnetic filament erupting on the Sun. The filament was "connected to sunspot AR3229" triggered a long duration M3-class flare and resulting coronal mass ...

The northern lights could be visible Tuesday night and Wednesday night over the Northern Hemisphere due to a geomagnetic ...

The first flare from 3936 is the one relevant to the solar storm warning, as it was associated with a CME that is coming ...

Powerful eruptions from the sun are likely to interact with Earth's atmosphere on New Year's Eve, causing auroras in some locations.

The sun is bidding farewell to 2024 with a bang—or rather several bangs. Our star produced three powerful flares on December ...

The NOAA/NWS Space Weather Prediction Center has issued a strong G3-level Geomagnetic Storm Watch for Tuesday, Dec. 31. It was sparked by a coronal mass ejection (CME) that happened on the sun’s ...

The huge solar flare may be the last big explosion from the sun this year. The sun is not quite done with 2024.