Share this on WhatsApp Night skies across the U.S. danced with streaks of green and magenta this past week. People as far south as Asheville, N.C., and Phoenix, Ariz., had the unexpected pleasure of witnessing the Northern Lights. “My Twitter feed was inundated. Every femtosecond, a new picture appeared,” says Scott McIntosh, a solar physicist … Continue reading Northern Lights Dance across U.S. because of ‘Stealthy’ Sun Eruptions