Massive solar flares, graceful eruptions of solar material, and an enormous sunspot make up some of the imagery captured by NASA's Solar Dynamics Observatory in 2013 and 2014. A year ago this weekend, ...

The sun is on the verge of a significant event: a magnetic field reversal. What causes this switch in polarity, and is it dangerous for anything on Earth? Let's take a deep dive into the phenomenon of ...

After causing the dazzling waves of aurora borealis this weekend, our Sun isn’t done yet: The strongest solar flare of the current solar cycle occurred Tuesday afternoon, according to the National ...

A solar storm is a catchall term that describes any disturbance in the sun that involves the violent ejection of solar material into space. This can come in the form of coronal mass ejections, where ...

The Sun’s magnetic poles are in the middle of an uneven, drawn-out reversal as Solar Cycle 25 moves through its solar maximum phase. NASA and NOAA jointly announced that the current cycle has entered ...

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 ...

Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) and the University of Latvia have posited the first comprehensive physical explanation for the sun’s various activity cycles. It ...

The strongest solar flare in half a decade just launched off the sun from the same sunspot group that triggered dazzling auroras last weekend. But don't expect northern lights this time around. When ...

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 ...

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 ...

After causing the dazzling waves of aurora borealis this weekend, our Sun isn't done yet: The strongest solar flare of the current solar cycle occurred Tuesday afternoon, according to the National ...