Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar ...
This morning, a massive solar flare spewing into space at light speed reminds us that the sun is at—or is very close to—the peak of its 11-year magnetic activity cycle. After a month of relatively low ...
A restless sunspot threw off a double solar flare Monday (April 25), triggering some radio blackouts over Asia and Australia. The sunspot AR2993 erupted with two M1 flares in quick succession, ...