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 ...

For a long stretch of time, scientists were under the impression that our star was slowly entering hibernation. Known as the "deep solar minimum," this period started in the 1980s and ended in 2008.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A spotless sun as viewed on ...

Scientists have analyzed more than 40 years of astronomical data to uncover evidence that the sun's internal structure subtly changes from one solar cycle minimum to the next. Publishing their ...

During strong cycles, the sun’s total brightness at the solar maximum is about 0.1% higher than during its solar minimum, but when averaged out over the industrial period, the sun’s total brightness ...

Referred to as a “stealth storm,” a recent coronal mass ejection went undetected until it hit Earth. Stealth coronal mass ejections are more common after the Sun transitions from the solar maximum to ...

There are many things with spots: Dalmatians, leopards, ladybugs, overripe bananas, and guys with bald spots are all great examples. Another thing with spots is the Sun! That's right! The Sun, as it ...

High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its magnetic heartbeat. For decades, scientists have struggled to see these regions, ...