Every eleven years, the sun's magnetic field flips. Sunspots—dark, cooler regions on the sun's surface that mark intense ...
Sunspot AR4114 erupted with M8 and M6-class solar flares. NASA's Solar Dynamics Observatory captured the fireworks in ...
Sunspot AR3311 have been extremely active since its emergence in NASA Solar Dynamics views. Seven m-class flares can be seen ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. Sunspot AR 14100 reemerged over the sun's western limb on Monday (May 26) after spending two ...
Add Yahoo as a preferred source to see more of our stories on Google. The aurora borealis may be visible Thursday night along the U.S.-Canada border. (Space Weather Prediction Center) While February ...
Why sunspots are able to last so long has been a mystery for millenia, but a new observation technique revealed their secret. The equilibrium between magnetic fields and pressure allows the solar ...
An Earth-facing sunspot region has been raging with massive eruptions of hot gas that have caused disruptions to our communications systems—and there’s still more to come. On Tuesday at 5:49 p.m. ET, ...
One month after a powerful sunspot pushed the northern lights down into Michigan, Illinois and even Texas, multiple sunspot regions are beginning to rotate into view and could provide another round of ...
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