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Introduction

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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Cosmic Cliffs in the Carina Nebula, a NIRCam image taken by the James Webb Space Telescope

We Further Scientific Research

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

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A group of students looking at the sky through eclipse glasses

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

Current

Press Releases

Events

  • The SAGA Survey: A Census of 101 Satellite Systems around Milky Way-like Galaxies

    The SAGA Survey: A Census of 101 Satellite Systems around Milky Way-like Galaxies
    9 Oct 2024

    I will present the main findings of the third Data Release (DR3) of the Satellites Around Galactic Analogs (SAGA) Survey, a spectroscopic survey characterizing satellite galaxies around...

  • Webb Office Hours

    Promotional image for Webb Office Hours
    10 Oct 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
    17 Oct 2024

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

  • Accurate Flux Calibration in the Era of Space Astronomy and All-Sky Surveys

    Accurate Flux Calibration in the Era of Space Astronomy and All-Sky Surveys
    22-25 Oct 2024

    Advances in space telescope technology and all-sky surveys are driving the need for more precise and accurate flux calibration across the observable spectrum.  The Space Telescope...

  • Webb Office Hours

    Promotional image for Webb Office Hours
    24 Oct 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...

  • Pushing into the Cosmic Dark Ages with JWST

    Pushing into the Cosmic Dark Ages with JWST
    30 Oct 2024

    Pushing the Hubble Space Telescope to its limits at the end of the last decade has allowed astronomers to view the tip of the cosmic iceberg at a time only 500 Myr after the Big Bang....

About the Institute

STScI's Astronomical Imagery Slideshow

Spiral Galaxy NGC 1300
NGC 3627
A dying star shrouded by a blanket of hailstones forms the Bug Nebula (NGC 6302).
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