Add Yahoo as a preferred source to see more of our stories on Google. (KRON) — A “severe” geomagnetic storm watch has been issued for Monday and Tuesday as the largest solar radiation storm in more ...

Colorful auroras could dazzle skywatchers again on Monday night amid a severe geomagnetic storm and what the National Oceanic and Atmospheric Administration said was the largest solar radiation storm ...

Powerful solar activity released by the sun likely created dazzling auroral displays in unexpected areas Monday evening and early Tuesday morning. It could also disrupt satellite-based communications ...