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: ...

At the end of the last solar cycle in 2019, the official predictions were that the next cycle would be just as mild as its predecessor. Those predictions were wrong. The current Solar Cycle 25 turned ...

The sun has grown increasingly active over the past 17 years, bucking a downward trend that had solar physicists wondering whether our star was heading towards a new "grand minimum" of the kind last ...