On November 1, 2025, sunspot activity on the Sun has increased as new regions rotate into view, according to EarthSky. Currently, only one numbered sunspot region, AR4267, is visible on the ...

May and June 2024 saw the highest sunspot numbers on the sun since 2002, but is the peak of the solar cycle here yet? The sun follows an 11-year solar cycle of increasing and decreasing activity.

A vast, magnetically tangled sunspot has rotated into direct view of Earth, raising the prospect of powerful solar eruptions in the coming days. The active region is large enough to dwarf our planet ...

The largest geomagnetic storm since 2003 that occurred last Friday may be just the beginning of a more intense than expected period of solar activity. More explosions of energy and light occurred in ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. German astronomer ...