A new Sun as Art exhibit offers artistic interpretations of the Sun (with captions) based on solar images from NASA's Solar Dynamics Observatory (SDO).
The Radiation Belt Storm Probes (RBSP) launch on September 6, 2012. RBSP will study two extreme and dynamic regions of space known as the Van Allen Radiation Belts that surround Earth. Want to learn more?
A major solar 'superstorm' such as the one in 1859 could cost $30 billion a day to the US electrical power grid, and up to $70 billion to the satellite industry.