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Free Public Lectures Online

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

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Past Lectures


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Understanding Planetary Habitability using Exoplanet Atmospheres

April 4, 2023 Lectures
Speaker: Katherine Bennett (Johns Hopkins University) Recorded live on Tuesday, April 4, 2023.


May 2, 2023 Lectures
Speaker:  Amanda Pagul (Space Telescope Science Institute) Recorded live on Tuesday, May 2, 2023.

Nancy Grace Roman Space Telescope

June 20, 2023 Lectures
Speaker: TBD (Space Telescope Science Institute) Recorded live on Tuesday, June 20, 2023.