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The Sagan Program at NExScI

The Sagan Program is administered for the NASA Exoplanet Exploration Program by NExScI, and it includes the Sagan Exoplanet Summer Workshops. the Sagan Fellows Symposium, and, in collaboration with the Space Telescope Science Institute (STScI) and the Chandra X-ray Center at the Smithsonian Astrohysical Observatory, the administration of the NASA Hubble Fellowship Program (NHFP).

Sagan Postdoctoral Fellowships

From 2009 to 2017, the Sagan Fellowship Program supported outstanding recent postdoctoral scientists to conduct independent research broadly related to the science goals of the NASA Exoplanet Exploration area. From 1999 to 2007, these fellowships were named Michelson Fellows. Click here for a complete list of Sagan and Michelson Fellows.

Starting in 2018, application and review of NASA's three named fellowship programs (Einstein, Hubble, Sagan) are now merged under the NASA Hubble Fellowship Program (NHFP) which covers all research topics in NASA Astrophysics.

Sagan Exoplanet Summer Workshops

The Sagan Exoplanet Summer Workshops are held annually and provide opportunities for students, postdocs, and researchers to learn about the engineering and scientific application of exoplanet-related techniques used in the Exoplanet Exploration Program.


November 9th marks Carl Sagan's birthday, a day that was celebrated in many locales for the first time in 2009 as Sagan Day. We've asked our 2009 and 2010 Carl Sagan Postdoctoral Fellows to reflect on how their research would appeal to Carl Sagan. Click here to read their responses.

Hear an interview produced by the Planetary Society with Ann Druyan, Carl Sagan's collaborator and widow, and Bill Nye (the Science Guy) on the honor of naming the Exoplanet Fellowship program after Carl Sagan.

Read the September 2008 press release from NASA Headquarters announcing the Sagan Fellowship Program.

The following video about the Sagan Exoplanet Fellowships was put together by the Sagan Appreciation Society.