NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the ...
A severe geomagnetic storm is possible starting Tuesday evening, and the clouds in Minnesota could cooperate to see the ...
A class of University of Texas astronomy students has discovered that nearby dwarf galaxy Segue-1 seems to host a ...
The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.
X2.7-class eruption from sunspot AR4087 disrupts radio signals as the active region rotates toward Earth, raising the risk of more flares ahead. The sun roared to life early Tuesday (May 14), ...