A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.

A geomagnetic storm occurs when high-energy plasma and magnetic fields ejected from the sun interact with Earth's magnetic ...

Federal forecasters are warning that a powerful X-class solar flare could trigger strong radio blackouts and strain power ...

The steady accumulation of snow and freezing rain and a rise in demand for electricity can cause problems long after the sky ...

A powerful winter storm descending on Texas on Friday will be one of the toughest tests of the state’s electric grid since ...