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The Space Telescope Science Institute (STScI) presents live and archived webcasts that examine an array of science, technology, and business topics. Although these lectures primarily serve the scientific community, many are also designed for the public. STScI employees will be prompted to sign in to access restricted/internal webcasts.

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Use the filter bar below to search by specific criteria including Type, Mission, Keyword, and/or Date. Click the Submit button to generate the query. Information and resources for each event may be found by clicking on the "Learn More" link and recordings may be watched via the "View Webcast" link. All times listed are Eastern Time, unless otherwise noted. Refer to our Webcast FAQs page for guidance with questions.

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(1214 total)

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Results: 1214
Showing 15 matching items
  1. Exploring the Origins of Planetary Systems with JWST

    June 4, 2024 04:30 PM
    Lectures
    Speaker: Nicole Arulanantham (Space Telescope Science Institute) Newborn stars are surrounded by disks of gas and dust. Within these wide, thin disks, a system of planets can form. The…
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  2. Shedding Light on Dark Matter with Hubble

    May 7, 2024 08:00 PM
    Lectures
    Speaker: Eduardo Vitral (Space Telescope Science Institute) Dark matter plays an elusive role in the universe, especially in its gravitational influence within dwarf galaxies. Despite being invisible,…
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  3. Sustainability in Operations of Astronomical Research Facilities - NOIRLab's Strategy

    April 23, 2024 01:00 PM
    Colloquia
    I will give an overview of the NOIRLab Sustainability Program which is aimed at reducing the center's carbon footprint from electricity, travel and vehicles by 50% by the end of 2027. NOIRLab built…
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  4. Recipes to Regulate Star Formation at All Scales: From the Nearby Universe to the First Galaxies

    April 15 through 19, 2024 09:00 AM
    Symposia
    Star formation is a fundamental process defining galaxies, impacting virtually every facet of astronomy. However, precise mechanisms governing star formation activity, including but not limited to…
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  5. The Origin of Biomolecules and Information Polymers on Terrestrial Planets

    April 5, 2024 12:00 PM
    Lectures
    The origin of life on Earth is one of the fundamental questions of science.  A critical issue is how and when biomolecules, such as building blocks of RNA and proteins, appeared after Earth formed.…
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  6. Gamma Ray Bursts: Spectacular Explosions from the Distant Past

    April 2, 2024 03:00 PM
    Lectures
    Speaker: Giovanna Pugliese (API / University of Amsterdam) A gamma-ray burst is the brief, powerful emission of gamma-rays, the highest energy form of light. First observed over 50 years ago, gamma-ray…
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  7. YAE In-Person Family STEM Forum

    March 14, 2024 05:00 PM
    Community Events
    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 in hands-on activities…
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  8. ULLYSES: Continuing the Voyage of Discovery

    March 11 through 14, 2024 12:00 AM
    Workshops
    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. ULLYSES provides a legacy…
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  9. The Prevalence and Origin of the Alpha-Bimodality in the Local Group

    March 6, 2024 03:00 PM
    Colloquia
    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. The low-alpha…
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  10. The Total Solar Eclipse of April 2024

    March 5, 2024 08:00 PM
    Lectures
    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 United States,…
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  11. The Milky Way Laboratory

    February 28, 2024 03:00 PM
    Colloquia
    Galaxy centers are the hubs of activity that drive galaxy evolution, from supermassive black holes to feedback from dense stellar clusters. While the bulk of our Milky Way Galaxy is a prime example of…
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  12. Habitability and Biosignature Preservation in Magnesium Sulfate Brines: Lessons from the “Spotted” Lakes

    February 23, 2024 12:00 PM
    Lectures
    Observations of Mars have revealed the widespread presence of paleo-evaporitic deposits, in the form of magnesium sulfate salts. MgSO4 salts have been known to preserve evidence of life on geological…
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  13. The New Directly Imaged Planets and Their Substellar Analogs

    February 21, 2024 03:00 PM
    Colloquia
    Directly imaged planets are a peculiar population of self-luminous, massive, and young giant exoplanets and brown dwarf companions. JWST has now expanded this population to lower mass, colder, older, long-period…
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  14. Astronomy Re-envisioned: Investigating the Physics of Galaxy Evolution with Machine Learning

    February 15, 2024 04:00 PM
    Lectures
    Astronomical imaging of galaxies reveals how they formed and evolved. While spectroscopy is necessary for measuring galaxies' physical properties, such as their cold gas content or metallicity, it…
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  15. CTU-GSP (CTU's Ground Sphere Project): Innovation of a Low-Cost Ground Station for University Use

    February 13, 2024 10:00 AM
    Colloquia
    This multi-semester engineering project focuses on researching, designing, developing, and innovating a low budget ground station for use by Capitol Technology University (CTU) students. The project began…
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