NOAA forecasts a G2 geomagnetic storm for July 2-3 as a CME arrives, with aurora most likely on the northern horizon in U.S.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This voice experience is generated by AI. Learn more. This ...

A powerful geomagnetic storm is causing the northern lights to be visible across the United States. While creating beautiful auroras, intense solar storms can also threaten power grids and ...