A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

NOAA has issued a G1 geomagnetic storm warning for January 4-5, forecasting heightened geomagnetic activity. NOAA has issued a warning for a severe solar storm expected to hit Earth on October 10 ...

with millions of people around the world snapping pictures of the pink and green lights on their phones. While the latest ...

The Kp index measures geomagnetic activity, with higher numbers indicating more intense aurora-producing solar storms ... geomagnetic storm that reached Earth. (Photo by Mathieu Lewis-Rolland ...

(Photo by Peter Zay/Anadolu via Getty Images) Sunspot AR3664, which was last seen blasting powerful solar explosions our direction that generated historic and widespread aurora, has rotated back ...

A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), potentially triggering colorful auroras over the northern U.S.

The approaching Coronal Mass Ejection (CME) is a result of a faster-moving solar eruption ... the expected storm, classified as G3, is not to be taken lightly. Recent occurrences on November ...