'Severe' geomagnetic storm reported: Will it spark auroras, impact electrical grids?

(NEXSTAR) — It was an active weekend for the sun, which hurled multiple solar flares into space that impacted Earth, bringing the northern lights to part of the U.S. and sparking an alert from federal forecasters.A pair of coronal mass ejections (CMEs) were detected Friday and Saturday, according to NOAA's Space Weather Prediction Center (SWPC). CMEs are explosions of plasma and magnetic material from the sun that can collide with Earth's atmosphere, causing the northern lights along with