June 19, 2026 7:30 pm Halley's Spectacular 2061 Prospects: St. Louis Astronomical Society June Meeting Joseph Marcus, former editor of Comet News Service, will be presenting "Halley's Spectacular 2061 Prospects" at the St. Louis Astronomical Society's June meeting McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
May 15, 2026 7:30 pm Planets with Two Suns: St. Louis Astronomical Society May Meeting Ekrem Esmer, McDonnell Center Postdoctoral Fellow, Washington University in St. Louis, will be presenting "Planets with Two Suns: What Eclipsing Binaries Can Tell Us About Their Hidden Worlds" McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
April 17, 2026 7:30 pm Weird Stars: St. Louis Astronomical Society April Meeting Richard Heuermann, St. Louis Astronomical Society, will be presenting "Weird Stars" McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
March 24, 2026 7:00 pm Spring Equinox Party: Astronomy on Tap Astronomy on Tap is hosting a Spring Equinox Party Urban Chestnut - The Grove
March 20, 2026 7:30 pm How to Detect & Characterize Exoplanets: The St. Louis Astronomical Society March Meeting Marc Ollivier, Director, Institut d'Astrophysique Spatiale - Paris, will be presenting a talk at the March meeting of the St. Louis Astronomical Society, "How to Detect & Characterize Exoplanets." McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
February 20, 2026 7:30 pm AI and the Smart Telescope: How Both May Change Amateur Astronomy: The St. Louis Astronomical Society February Meeting Jesus Ponce de Leon will be presenting a talk at the February meeting of the St. Louis Astronomical Society, "How will (may) AI change Amateur Astronomy." McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
January 16, 2026 7:30 pm Planets with Two Suns: The St. Louis Astronomical Society January Meeting Ekrem Esmer, Washington University in St. Louis, will be presenting a talk at the January meeting of the St. Louis Astronomical Society, "Planets with Two Suns: What Eclipsing Binaries Can Tell Us About Their Hidden Worlds." McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
December 19, 2025 7:30 pm The Ultraview Effect: The St. Louis Astronomical Society December Meeting Deana Weibel, Grand Valley State University, will be presenting a talk at the December meeting of the St. Louis Astronomical Society, "The Ultraview Effect." McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
November 21, 2025 7:30 pm The Making of an Enterprise: How Star Trek Helped NASA Dream Big and How NASA Helped Star Trek Survive: The St. Louis Astronomical Society November Meeting Glen Swanson, historian and author, will be featured at the November meeting of the Saint Louis Astronomical Society. McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
November 18, 2025 6:00 pm Running COSMOS.exe: Astronomy on Tap Yajie Yuan and Alex Chen will be presenting this month's Astronomy on Tap: Running Cosmos.exe — how we use computers to understand the wildest objects in the universe. Urban Chestnut - The Grove Meeting Room
October 17, 2025 7:30 pm Venus: the St. Louis Astronomical Society October Meeting Paul Byrne, Washington University in St. Louis, will be presenting "Venus" at the October meeting of the St. Louis Astronomical Society McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
September 23, 2025 7:30 pm Equinox Party: Astronomy on Tap Astronomy on Tap is hosting an Equinox Party with Mikhail Tikhonov and Zifan Lin from WashU Urban Chestnut - The Grove
September 19, 2025 7:30 pm The Roman Space Telescope: The Roman View of Strong Lenses: the St. Louis Astronomical Society September meeting Tansu Daylan, Washington University in St. Louis, will be presenting "The Roman View of Strong Lenses" at the September meeting of the St. Louis Astronomical Society McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
August 15, 2025 7:30 pm A Journey to the Ring Giant - The Legacy of Cassini Huygens Megan Dickson, University of Missouri, St. Louis, will be presenting "A Journey to the Ring Giant - The Legacy of Cassini Huygens" at the August meeting of the St. Louis Astronomical Society McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
July 18, 2025 6:30 pm The Search for Interstellar Objects of Technological Origin: St. Louis Astronomical Society July Meeting Abraham (Avi) Loeb, Harvard University, will be presenting "The Search for Interstellar Objects of Technological Origin" McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.
June 20, 2025 7:30 pm The Variable High Energy Sky: St. Louis Astronomical Society June Meeting Mike Nowak, Washington University, will be presenting "The Variable High Energy Sky" McDonnell 162 | Also available on Zoom. Contact the St. Louis Astronomical Society for the link.