Solar activity is characterized by the sun's surface ... Solar scientists call this a butterfly diagram, and watch each butterfly fill out beyond the previous cycle's sunspots.

Every glimmer of the northern lights begins as a spot on the sun’s surface. And if increased solar activity is any indication, the next year and a half will be filled with glimmers.

The concern comes amid recent solar storm data that has emerged, but is the current activity on the sun really enough to cause what's been dubbed the "internet apocalypse?" Videos have been making ...

Every 11 years or so, the sun experiences periods of low and high solar activity, which is associated with the amount of sunspots on its surface. These dark regions, some of which can reach the ...

But don’t panic: it’s all part of our host star’s usual 11-year cycle of activity. Over the past couple of years, solar activity—as measured by the number of dark spots on the sun’s face ...

"During solar maximum, the number of sunspots, and therefore, the amount of solar activity, increases,” said Jamie Favors, ...

Brian Resnick was Vox’s science and health editor and is the co-creator of Unexplainable, Vox’s podcast about unanswered questions in science. The solar poles flipping is not, as it might ...

Aurora records in royal chronicles from Korea show that during the 'Maunder Minimum' between 1645 and 1715, the sun's solar cycles became several years shorter than they are today. The sun's solar ...