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Events Overview

STScI hosts colloquia, lectures, meetings, symposia, and workshops that cover a broad array of topics of interest to the astronomical community as well as the general public. From this page, you can find current, upcoming, and past events of interest.

Use the filter bar below to search by specific event criteria including Type, Mission, Keyword, and/or Date. Click the Apply button to generate the query. Information and resources for each event can be found by clicking on the "Read More" link. All times listed are Eastern Time, unless otherwise noted.

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  1. Dead Men Do Tell Tales: What Supernova Remnants Say about Type Ia Supernova Progenitors

    February 4, 2026 Colloquia

    Despite sustained advances in both theory and observations over the last few decades, the identity of the stellar progenitors of Type Ia Supernovae remains unclear. Nearby X-ray bright Supernova Remnants ...

  2. CoolSci: Celebrating STScI Achievement in Astronomical Research Award Winners

    January 28, 2026 Colloquia

    Featuring 2025 STScI Achievement in Astronomical Research Award Winners Gagandeep Anand (STScI), Nestor Espinoza (STScI), and Nimisha Kumari (STScI).

  3. CoolSci: Presentations from STScI Postdocs

    January 21, 2026 Colloquia

    Presentations featuring Vital Fernandez, Benjamin Gibson, Doyeon Avery Kim, and John Soltis. 

  4. CoolSci: Celebrating STScI Achievement in Astronomical Research Award Winners

    January 14, 2026 Colloquia

    Featuring 2025 STScI Achievement in Astronomical Research Award Winners Marco Chiaberge (STScI), Stephanie La Massa (STScI), and Marc Rafelski (STScI).

  5. Habitable Worlds Observatory at the 247th American Astronomical Society Meeting

    January 4 through 8, 2026 Science Meetings

    The 247th American Astronomical Society (AAS) meeting will include a variety of events focused on the Habitable Worlds Observatory. NASA's Habitable Worlds Observatory Special Session Tuesday, January ...

  6. HST at the 247th American Astronomical Society Meeting

    January 4 through 8, 2026 Science Meetings

    The 247th American Astronomical Society (AAS) meeting will include updates on the status of the HST observatory, an exhibit booth, press releases, and numerous science and technical talks regarding ...

  7. JWST at the 247th American Astronomical Society Meeting

    January 4 through 8, 2026 Science Meetings

    The 247th American Astronomical Society (AAS) meeting will include sessions focused on groundbreaking science with JWST, as well as a report from STScI as we get ready to wrap up JWST's Cycle ...

  8. Roman at the 247th American Astronomical Society Meeting

    January 4 through 8, 2026 Science Meetings

    The 247th American Astronomical Society (AAS) meeting will feature a variety of events focused on science with Roman, such as town halls, splinter sessions, and iposter presentations. Staff will be available ...

  9. Planets, Asteroids, and Interstellar Interlopers, OH MY! Revealing the Solar System with JWST

    December 17, 2025 Lectures

    Speaker: Dr. Stefanie Milam (NASA Goddard Space Flight Center) The James Webb Space Telescope may have been designed to detect the first stars and galaxies of our Universe, but it is also seeking ...

  10. Webb Office Hours

    December 11, 2025 Community Events

    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 JWST Pipeline, calibration, ...

  11. Fundamental Properties and Atmospheric Chemistry of Cool Brown Dwarfs with JWST

    December 10, 2025 Colloquia

    While great progress has been made over the last 20 years in determining the fundamental properties of brown dwarfs, the coolest brown dwarfs with Teff < 500 K have proven difficult to characterize ...

  12. Metal-Poor Massive Stars and Cosmic Mysteries from Redshift 10+ to the Local Universe

    December 3, 2025 Colloquia

    JWST is providing an unprecedented direct glimpse of the first galaxies in formation. This promises the opportunity to seek answers to longstanding questions in astrophysics, from the details of reionization ...

  13. The 19th Meeting of the JWST Users Committee (JSTUC)

    December 2 through 3, 2025 Committee Meetings

    The 19th meeting of the JSTUC was held in person on December 2-3, 2025. Topics included: An update from the STScI Director Status updates from the JWST Project at NASA's ...

  14. Photometric Calibration Uncertainties in Stage IV Supernova Cosmology

    November 20, 2025 Lectures

    Upcoming supernova surveys, such as the Nancy Grace Roman Space Telescope (Roman) and the Vera Rubin Observatory’s LSST, are expected to discover over a million supernovae, vastly increasing current ...

  15. Trustworthy Machine Learning for Astrophysical Discovery

    November 19, 2025 Colloquia

    Modern machine learning techniques open doors to powerful data analysis strategies that were not feasible even a few years ago — approaches that could enable transformative discoveries with current ...