A G2 storm, rated "moderate" on the five‑tier NOAA scale, can induce voltage irregu­larities in power systems and affect high ...

The Sun is approaching its most violent phase in decades, and the thousands of satellites keeping modern civilisation running are about to face their biggest test since we started relying on ...

(CNN) — For the first time, astronomers say they have spotted a giant explosion released by a star beyond our solar system. The eruption was similar in some ways to those unleashed by our sun, such as ...