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.
June 7, 2022 Lectures
Speaker: Cameron Hummels (Caltech) Galaxies—like our own Milky Way—are among the basic building blocks of our universe. Discovered only one hundred years ago, galaxies are complex systems...
May 3, 2022 Lectures
Speaker: Frank Summers (Space Telescope Science Institute) Eta Carinae is the closest, best known, and most studied of the stars known as "supernova impostors". After surviving a supernova-like...
April 5, 2022 Lectures
Speaker: Marcos Santander (University of Alabama) Located under a mile of glacial ice near the South Pole is IceCube, the largest neutrino telescope in the world. IceCube detects high-energy neutrinos,...
Hubble from Space and Integral-field Spectroscopy from the Ground: Seeing Both the Forests and the TreesMarch 1, 2022 Lectures
Speaker: Marc Sarzi (Armagh Observatory & Planetarium) Integral-field spectroscopy (IFS) has driven tremendous progress in many areas of astronomy in the past two decades. Using a combination...
February 1, 2022 Lectures
Speaker: Arpita Roy (Space Telescope Science Institute) It has been three decades since astronomers first discovered planets outside our solar system. This profound scientific moment established the field...
January 4, 2022 Lectures
Speaker: Mireia Montes (Space Telescope Science Institute) A galaxy cluster is a collection of hundreds to thousands of galaxies—a "city" of galaxies. Similar to our human...
December 7, 2021 Lectures
Speaker: Alexandra Lockwood (Space Telescope Science Institute) Originally envisioned in the late-1980s, NASA's next flagship observatory, the Webb Space Telescope, is now reaching fruition....
November 2, 2021 Lectures
Speaker: Dr. Sethanne Howard (Washington Academy of Sciences) For more than 4,000 years of written knowledge, women have participated in the great human adventure of science. Female creativity and...
October 5, 2021 Lectures
Speaker: Dr. Tod Lauer (NSF's NOIRLab) Looking at the sky on a clear moonless night, one sees stars against black space. Powerful telescopes reveal faint stars and galaxies strewn between the...
September 7, 2021 Lectures
Speaker: Nicole Arulanantham (Space Telescope Science Institute) It is inevitable in every astronomer's career that sometime, someplace, someone will refer to them as an astrologer. Although the scientist...
August 3, 2021 Lectures
Speaker: Isabel Rebollido (Space Telescope Science Institute) Comets, asteroids, and other minor bodies in the solar system are thought to have played an important role in the formation of planets....
July 6, 2021 Lectures
Speaker: Quyen Hart (Space Telescope Science Institute) Pull up a chair, get comfortable, and look all around you. Can you spot some familiar objects or common phenomena that can be connected to a topic...
June 1, 2021 Lectures
Speaker: Dr. Emily Rickman (European Space Agency/Space Telescope Science Institute) Since the discovery of the first planet orbiting a Sun-like star in 1995, more than 4,000 exoplanets have...
May 4, 2021 Lectures
Featuring The Consonance Collective and the Bergamot Quartet (Peabody Institute). Presenting “Hearing Stars,” a visual album of string quartets depicting the life cycles of stars produced...
April 6, 2021 Lectures
Speaker: Christopher Wanjek More than 50 years after the Apollo 11 moon landing, why is there so little human presence in space? Will we ever reach Mars? What will it take to become a multi-planet species,...