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Free Online Lectures

Each event features a noted scientist who discusses a different cosmic topic. These lectures will be presented with a livestream to YouTube, and questions can be asked in the YouTube chat. The recordings will also be posted on our YouTube channel and accessible from this page.

Lectures are typically held at 8 PM EDT (UTC -4) during Daylight Time and 8 PM EST (UTC -5) during Standard Time, unless otherwise noted.

Mosaic of Hubble imagery

Missed the lecture? View our recordings:

YouTube playlist and Webcast Archive 

Visit our outreach websites:

HubbleSite.org and WebbTelescope.org

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Past Lectures

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Results: 4
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  1. Year Two in Review: Groundbreaking Science Discoveries by JWST

    August 6, 2024 Lectures

    Speaker: Macarena Garcia Marin (Space Telescope Science Institute/European Space Agency) The James Webb Space Telescope is the largest, most sophisticated telescope ever launched into space. After two...

  2. Roman Space Telescope

    September 3, 2024 Lectures

    Speaker: Ori Fox (Space Telescope Science Institute)

  3. There is Light in the Darkness

    November 12, 2024 Lectures

    Speaker: Eleni Vardoulaki (National Observatory of Athens)

  4. Hunting the Stellar Undead

    December 3, 2024 Lectures

    Speaker: Gregory Sivakoff (University of Alberta)