A potent solar storm made a grand entrance on Earth, treating skywatchers across the Northern Hemisphere to breathtaking displays of color early Saturday. Despite its dazzling effects, there were no immediate reports of disruptions to power grids or communications systems.
The US National Oceanic and Atmospheric Administration (NOAA) issued a rare severe geomagnetic storm warning after a solar outburst reached Earth on Friday afternoon, arriving sooner than expected. The resulting northern lights, visible in the United Kingdom and beyond, were anticipated to persist throughout the weekend and possibly into the...