When you buy through links on our articles, Future and its syndication partners may earn a commission. The sun, imaged on Sept. 10, 2025 in ultraviolet light, showing plenty of activity. | Credit: ...

The ‘Maunder Minimum' is the name given to the period from 1645 to 1715 when the number of sunspots – ‘storms' on the sun – became almost zero. The period is named after the solar astronomer Edward ...

Add Yahoo as a preferred source to see more of our stories on Google. The Sun seems like a perfectly reliable, unchanging presence in the daytime sky, but it’s not. Intense heat and pressure in its ...

Solar activity, manifested primarily through sunspots, solar flares and coronal mass ejections, has long influenced both the near-space environment and terrestrial systems. Over millennia, variations ...

Here’s what you’ll learn when you read this story: The intensity of the Sun’s activity ebbs and flows across years, but also across decades—a behavior that scientists haven’t quite figured out yet. At ...