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
For the first time in history, the world has a full view of the far side of the Sun and of the entire 360-degree sphere at once.
Published Feb 17, 2011
NASA’s twin STEREO spacecraft spy a solar prominence from two angles.
Published Nov 21, 2012
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
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
A flare bursts from the Sun in this detailed image taken on August 1, 2010, by the STEREO Ahead telescope.
Published Aug 7, 2010
