When you look up at the sky on a sunny day, the Sun might seem like a bright spot, unchanging in the sky. But the Sun is a ...

The recent flurry of solar storms suggests the sun is in a period of maximal activity as part of its 11-year cycle. The active period is likely to continue over the next year, so more auroras could be ...

The Sun unleashed 23 solar flares in a single 24-hour stretch during late May 2026, including three M-class eruptions, according to edited event logs published by NOAA’s Space Weather Prediction ...

This year has given stargazers plenty of opportunities to catch the colorful auroras of the northern lights flicker across the night sky, and that's expected to continue as the sun is now in its solar ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather and technology on Earth, NASA announced this week. A new research, ...

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

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 the turn of the 21 st century, astrophysicists ...

We look ahead to 2025 as the sun ramps up its activity, driven by the peak of the current solar cycle. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

A year ago this weekend, the sun’s activity created some of the most spectacular auroras on record, with displays visible as far south as Florida. The incredible spectacles last May (and another ...