A rare geomagnetic storm, powered by a high-speed stream of solar wind from a coronal hole in the Sun, is lighting up the skies with aurora borealis across more than a dozen U.S. states from August 18–20, 2025. The National Oceanic and Atmospheric Administration (NOAA) rates the event as a G1 (minor) geomagnetic storm, with peak visibility expected from 10p.m. to 4a.m. The spectacle appears more vivid due to dark skies before the moon rises, offering skywatchers vibrant views of green and pink auroras across the northern horizon.
Read more: Abcnews
