Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful a...

When a pond's surface is calm, you can see more clearly into its depths. As it turns out, the same is true for the sun. Researchers are ...

When NASA's Solar Dynamics Observatory (SDO) leaves Earth in November 2009 onboard an Atlas V rocket, the thunderous launch will trigger...

NASA's upcoming mission to study the sun in unprecedented detail and its effects on Earth, the Solar Dynamics Observatory (SDO), arrived...

GREENBELT, Md. - NASA's Solar Dynamics Observatory (SDO) soon will leave its home at Goddard Space Flight Center here and travel by truc...

04.28.09 Engineers at Goddard Space Flight Center in Greenbelt, Md., recently tested NASA's Solar Dynamics Observatory (SDO) to determin...

April 1, 2009: The sunspot cycle is behaving a little like the stock market. Just when you think it has hit bottom, it goes even lower. 2008...