Space Telescope Science Institute

Research ServicesMaryland, United States501-1000 Employees

The Space Telescope Science Institute (STScI) is a Baltimore-based research services organization that supports major space-based observatories and maintains extensive astronomical data archives. Established in 1981 and operated by the Association of Universities for Research in Astronomy, STScI has historically guided the Hubble Space Telescope’s science operations and now leads the science and mission operations for the James Webb Space Telescope, with involvement in planning for the Nancy Grace Roman Space Telescope as it approaches launch. The institute also manages the Barbara A. Mikulski Archive for Space Telescopes (MAST), which curates data from more than twenty astronomical missions, ensuring broad access to scientific information through public outreach and education efforts. Its work centers on enabling scientific discovery through advanced space observatories and comprehensive data resources. The organization emphasizes a diverse workforce and civility in the workplace as part of its organizational values. In recent developments, STScI has announced collaboration related to the Roman Space Telescope’s data initiatives, reflecting its ongoing role in shaping next-generation astronomical research.

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