Our Mission

Collage of artist illustrations of STScI missions

We Are Multi-Mission

We help humanity explore the universe with advanced space telescopes and ever-growing data archives.

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Helix nebula

We Further Scientific Research

We envision, define, and operate missions that offer cutting-edge research opportunities for the astronomical community.

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We Inspire Through Outreach

We share scientific knowledge of the universe in ways that inspire, excite, challenge, and educate.

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Recent News

Institute Announcements


Press Releases


  • The Total Solar Eclipse of April 2024

    Public Lecture Series promotional banner
    5 Mar 2024

    Speakers: Michael Kirk (NASA Goddard Space Flight Center) and John Maple (Space Telescope Science Institute) On Monday, April 8, 2024, a total solar eclipse will pass over Mexico,...

  • The Prevalence and Origin of the Alpha-Bimodality in the Local Group

    The Prevalence and Origin of the Alpha-Bimodality in the Local Group
    6 Mar 2024

    The recent era of large, ground-based abundance surveys has unraveled the chemical structures of our Milky Way galaxy. The most striking abundance feature is the alpha-abundance bimodality....

  • ULLYSES: Continuing the Voyage of Discovery

    ULLYSES: Continuing the Voyage of Discovery
    11-14 Mar 2024

    The observational phase of the HST Ultraviolet Legacy Library of Young Stars as Essential Standards (ULLYSES) program initiated by the STScl Director in 2019 was completed in 2023....

  • Webb Office Hours

    Webb Office Hours
    14 Mar 2024

    The JWST User Community is invited to call into Webb Office Hours to ask questions and directly interact with a team of STScI JWST experts via WebEx. We welcome questions about the...

  • YAE In-Person Family STEM Forum

    YAE In-Person Family STEM Forum
    14 Mar 2024

    Please join us in-person to learn more about astronomy during our Youth for Astronomy and Engineering Program event "Family STEM Forum" followed by an opportunity to engage...

  • Astronomy and Public Policy

    Astronomy and Public Policy
    27 Mar 2024

    The federal government plays a key role in US astronomy, such as building and operating observatories, funding grants, and regulating activities related to astronomy. However, the federal...

About the Institute

STScI's Astronomical Imagery Slideshow

NGC 3627
Bug Nebula
Spiral Galaxy NGC 1300
Small Magellanic Cloud
Stephan's Quintet
Faint glow within galaxy clusters
Supernova Remnant 0509-67.5
Horsehead Nebula (Infrared)
Heart of the Tarantula Nebula
Westerlund 2