Scientists are warning that a rare but extreme solar superstorm, though unlikely in any given year, could cause massive disruptions to power grids, satellites, and communication networks. Such storms, ...

(CNN) — For two nights, dazzling auroras delighted sky-gazers in unexpected places, including in the US as far south as Florida. The cause: dual solar storms unleashed by the sun reaching Earth. A ...

A powerful burst of solar activity is expected to trigger a rare 'severe' geomagnetic storm, with forecasters warning that ...

Internal changes due to the sun's "active biorhythm" have become increasingly "skin-deep" over the past four solar activity ...