Add Yahoo as a preferred source to see more of our stories on Google. Officially, solar maximum is defined as the peak month of a given solar cycle, based on monthly sunspot numbers. More specifically ...

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, ...

After a calm week, the sun erupted again. A powerful M5.1 solar flare burst from an emerging sunspot region, shaking the stillness of space weather and igniting new forecasts of heightened activity.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The sun has seen its most active month for over two decades, with a ...

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Our sun has officially hit its solar maximum, with increased rates of ...

After months of intense solar flares, NASA confirms that the Sun has reached the most active period of its cycle. Reading time 3 minutes The Sun has been acting up, and we can finally confirm why.

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 ...