Severe geomagnetic storm sparks northern lights across North America and as far south as Mexico (photos)
November 13, 2025
A severe (G4) geomagnetic storm lit up skies across the Northern Hemisphere overnight (Nov. 11-12), with vivid northern lights visible across Canada, the U.S, and as far south as Mexico.
The incredible display followed the arrival of multiple coronal mass ejections (CMEs) — eruptions of magnetic field and plasma from the sun — launched by sunspot AR4274, one of the most energetic sunspot…