The storm could also impact power systems and spacecraft operations.
Auroras may be visible from Alaska to Colorado tonight as a speedy coronal mass ejection impacts Earth.
An X-class solar flare has produced an Earth-directed coronal mass ejection, increasing solar activity and raising the likelihood of geomagnetic impacts within 24 hours.
The NASA/ESA Solar & Heliospheric Observatory captured a 'butterfly-shaped' coronal mass ejection erupt from the sun. Credit: ...
NOAA's Space Weather Prediction Center (SWPC) in Boulder, Colo., issued a G3 (strong) geomagnetic storm watch for Tuesday, Nov. 11, 2025 into the following day. This comes as forecasters watch a pair ...
The Northern Lights were a bit hit-and-miss on Monday night, so what happened there?