Solar storm bombarding Earth now may reach ‘extreme’ levels, sparking auroras down to Alabama and straining hurricane-weakened power grids
A strong X1.4 solar flare erupts from the sun on Oct. 9, 2024 as seen by a NASA spacecraft. (Image credit: NASA/SDO) Update for Oct. 11: The severe G3 geomagnetic storm has sparked dazzling auroras around the world for skywatchers. Read our full story and see northern lights photos from Space.com readers. A severe solar […]