This pair of images from the Solar and Heliospheric Observatory (SOHO) spacecraft shows sunspots and ultraviolet light emitted by the Sun on April 29, 2009.
Published May 1, 2009
On January 23, 2012, satellites observed the most powerful solar radiation storm since 2005.
Published Jan 24, 2012
NASA's newest sun-monitoring mission captures a detailed view of a prominence erupting on March 30, 2010.
Published Apr 22, 2010
The Sun has been at a lull when many were expecting fierce storms and incessant sunspot activity. Could this be a double-peaked maximum?
Published Mar 6, 2013
A bright mass of charged particles loops from the Sun’s outer atmosphere during a solar storm on May 23, 2010. Taken two hours apart, the pair of images shows the stream of particles moving away from the Sun during a coronal mass ejection.
Published Jun 20, 2010
Fifteen years ago this month, the European Space Agency and NASA launched SOHO, a satellite that fundamentally changed our understanding of the Sun and how it affects our planet.
Published Dec 7, 2010
After a slow start, a pair of sunspots in late 2008 signaled an upswing in Solar Cycle 24.
Published Nov 12, 2008
Fiery arcs rise above an active region on the surface of the Sun in this pair of images of a coronal mass ejection on January 27, 2010.
Published Feb 13, 2010
