May and June 2024 saw the highest sunspot numbers on the sun since 2002, but is the peak of the solar cycle here yet? The sun follows an 11-year solar cycle of increasing and decreasing activity.

Solar activity is likely to be on the decline all the way to 2030, which will mark the end of Solar Cycle 25.

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Our sun has officially hit its solar maximum, with increased rates of auroras and solar flares expected in the coming months, NASA has announced. The sun goes through 11-year cycles of activity, ...

BOULDER–Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun’s impact on Earth over the course of the 11-year solar ...

Despite only being halfway through our current solar cycle, the sun is showing signs of starting another. The sun is approaching the solar maximum of its current 11-year solar cycle, meaning that it ...

Every morning, astronomer Steve Padilla takes a short walk from his home to the base of a tower that soars 150 feet above the ground. Tucked in the San Gabriel Mountains, about an hour’s drive north ...

A single patch on the Sun recently stayed hyperactive for 94 straight days, hurling flare after flare into space and setting a new record for continuous monitoring of such a volatile region. The ...

This split image shows the difference between an active Sun during solar maximum (on the left, captured in April 2014) and a quiet Sun during solar minimum (on the right, captured in December 2019).