A flare bursts from the Sun in this detailed image taken on August 1, 2010, by the STEREO Ahead telescope.
Published Aug 7, 2010
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
NASA's newest sun-monitoring mission captures a detailed view of a prominence erupting on March 30, 2010.
Published Apr 22, 2010
This ultraviolet image, captured by NASA’s Solar Terrestrial Relations Observatory (STEREO) Ahead spacecraft on February 12, 2010, shows solar storms brewing in two active areas of the Sun.
Published Mar 20, 2010
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
The STEREO A spacecraft looked back from the far side of the Sun to capture an image of Earth and Mercury.
Published Feb 10, 2015
On January 23, 2012, satellites observed the most powerful solar radiation storm since 2005.
Published Jan 24, 2012
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