Scientists can usually spot coronal mass ejections before they affect Earth—but this one snuck past coronagraphs and ...

The Sun follows a 22-year magnetic cycle, with solar activity rising and peaking roughly every 11 years. But when conditions ...

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

Radio Communications: Solar flares can disrupt high-frequency radio communications, impacting pilots and maritime operations. Electric Power Grids: Intense solar activity can induce currents in power ...

A coronal mass ejection (CME) from the Sun is expected to reach Earth on Thursday, Oct. 16, potentially triggering a G2 geomagnetic storm Just after sunset, auroras could be visible across parts of ...

Geomagnetic storms brought the northern lights to much of the U.S. on Tuesday night, painting the sky in vibrant hues of green and pink. "Well, we had activity tonight — a lot of geomagnetic storm ...

Strong geomagnetic storms brought colorful northern lights to the skies above many states on Tuesday night, including Missouri and Kansas. Forecasters are expecting more on Wednesday. Geomagnetic ...

Thanks to recent solar activity, parts of the northern states could be treated to a stellar light show as of Oct. 16 Patrick Pleul/picture alliance via Getty A coronal mass ejection (CME) from the Sun ...

Geomagnetic storms brought the northern lights to much of the U.S. on Tuesday night, painting the sky in vibrant hues of green and pink. "Well, we had activity tonight — a lot of geomagnetic storm ...