CNNAshley Strickland

X1.9 flare's CME sparks S4 radiation event and G4 geomagnetic storm — strongest since 2003

On Jan. 19, an X1.9 solar flare's coronal mass ejection struck Earth, producing an S4 radiation event — the most intense since 2003 — and triggering G4 geomagnetic storms that lit auroras into mid-latitudes while degrading GPS, satellite and HF communications and risking power‑grid and polar‑flight impacts.

Universe TodayAndy Tomaswick

NASA and DoE Pursue Lunar Nuclear Reactor to Power Artemis Bases

By Universe Today: The US’s federally funded space program has been struggling of late. With the recent cancellation of the Mars Sample Return mission, and mass layoffs / resignations taking place at NASA, the general sense of a lack of morale at the agency is palpable, even from a distance.

2026-01-20T08:16:08.333917-08:00