A powerful G4 geomagnetic storm is bearing down on Earth, promising a rare mix of technological risk and spectacular skies for people far from the polar regions. As the storm intensifies, power grid ...

(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 ...

The most powerful solar storm recorded at Mars in the current solar cycle has just given scientists a stark preview of what a human presence on the Red Planet will really face. Radiation levels spiked ...

The solar maximum may be over, but the sun has still been busy with activity. A powerful solar eruption is expected to hit Earth soon, according to a forecast from the National Oceanic and Atmospheric ...

No communication or navigation, faulty electronics and collision risk. At ESA's mission control in Darmstadt, teams faced a scenario unlike any before: a solar storm of extreme magnitude. Fortunately, ...