Sunspot activity increases on November 1, 2025, as new regions emerge on the Sun. Solar flares, coronal mass ejections, and ...

A G4-level geomagnetic storm is one of the most extreme on the classification scale, and on November 11, it electrified the ...

These CMEs are currently headed toward Earth and will likely cause strong to minor geomagnetic storms later today and ...

Two immense swarms of sunspots have popped into view on the surface of the sun, hinting at the increased possibilities of vivid auroras and potentially damaging solar flares over the months to come.

Federal forecasters are warning of a severe solar storm through Tuesday that potentially threatens satellites, orbital communications and some infrastructure. The warning follows a volley of solar ...