On January 23, 2012, satellites observed the most powerful solar radiation storm since 2005.
Published Jan 24, 2012
Our Sun experienced fewer sunspots in 2008 than it had since the 1957 launch of Sputnik. As of Sun-Earth Day on March 20, 2009, the Sun was continuing its quiet pattern.
Published Mar 20, 2009
At 20 times the size of Earth, the largest sunspot observed since the November 2003 series of solar storms is now pointed directly at Earth.
Published Jul 24, 2004
After arriving in its final orbit, DSCOVR will monitor the solar wind and send back epic views of Earth’s full sunlit disk.
Published Feb 13, 2015
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
A solar flare and coronal mass ejection in mid-July 2012 raised the possibility of geomagnetic storms and auroras.
Published Jul 14, 2012
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
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