A solar storm is a catchall term that describes any disturbance in the sun that involves the violent ejection of solar material into space. This can come in the form of coronal mass ejections, where ...

A moderate geomagnetic storm can cause minor issues for satellites, GPS signals and high-frequency radio communication. Some power grid systems in higher-latitude countries may also see small ...

A G1 geomagnetic storm is forecast for February 15 as a CME and high-speed solar wind reach Earth, increasing chances of Northern Lights at higher latitudes.

The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.