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TIM Instrument on SORCE Observes Total Solar Irradiance (TSI) During Mercury Transit
December 24 — On November 8, 2006, the orbit of Mercury crossed between the Earth and the Sun. The resulting changes in TSI have been measured with the TIM Instrument on SORCE. Read More

NASA's First 3-D Solar Imaging Mission Soars Into Space
October 26 — NASA's twin Solar Terrestrial Relations Observatories mission, known as STEREO, successfully launched Wednesday at 8:52 p.m. EDT from Cape Canaveral Air Force Station, Fla. Read More

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