Public Lecture Series Events

Public Lecture Series

Free Public Lectures Live and Online

Our free public lecture series is broadcast online and may be attended in person at the Space Telescope Science Institute (STScI). Each event features a noted scientist who discusses a different cosmic topic. Lectures are typically held the first Tuesday of every month at 8 p.m. in the STScI Bahcall Auditorium on the campus of Johns Hopkins University in Baltimore, Maryland.

Missed the lecture? View our recordings:

YouTube playlist and Webcast Archive 

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Upcoming Lectures

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5 Nov 2019
Unveiling the Cosmos: Key Inventions behind the Modern Telescope

Speaker: Sarah Kendrew (European Space Agency/STScI) The astronomical telescope is a relatively recent invention in the ancient science of stargazing. Over the past 400 years...

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3 Dec 2019
Red and Brown Dwarfs: Understanding our Smallest and Closest (sub)Stellar Neighbors

Speaker: Serge Dieterich (Space Telescope Science Institute)

Past Lectures


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Results: 188
1 Oct 2019
Lectures Black Holes and Gravitational Waves
Speaker: Emanuele Berti (Johns Hopkins University) Black holes hold the key to some of the pressing mysteries in modern science. Whether in isolation or in binary systems, they are excellent laboratories...
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3 Sep 2019
Lectures The Astronomer's Toolkit
Speaker: Brandon Lawton (Space Telescope Science Institute) For thousands of years, astronomers have employed increasingly precise angular measures to track the positions of stars in the night sky. The...
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6 Aug 2019
Lectures Tiny Stellar Islands in a Big Old Universe
Speaker: Trisha Ashley (Space Telescope Science Institute) Galaxies are islands of stars, gas, and dark matter, the smallest of which are called dwarf galaxies. Although dwarf galaxies are the most numerous,...
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2 Jul 2019
Lectures Our Colorful Universe: Translating Cosmic Light
Speaker: Joseph DePasquale (Space Telescope Science Institute) Vivid and fantastical images of the cosmos can amaze and astound both scientists and the public alike. Have you ever wondered how the...
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4 Jun 2019
Lectures Recycle Your Used Pulsars: Explaining the Extra Gamma-Radiation from the Central Milky Way
Speaker: Christopher Britt (Space Telescope Science Institute) Gamma rays, the highest energy light in the electromagnetic spectrum, generally arise from extreme events. For over a decade, NASA’s...
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7 May 2019
Lectures The Fiery Fate of Exoplanets
Speaker: Joleen Carlberg (Space Telescope Science Institute) What happens to planets when their stars begin to die? For many planets discovered outside of our Solar System, the answer is a trip into the...
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23 Apr 2019
Lectures The Deaths and Afterlives of Massive Stars
Speaker: Dan Milisavljevic (Purdue University) The catastrophic death of a massive star, a supernova explosion, is among the most powerful and important events in the cosmos. These brilliant...
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5 Mar 2019
Lectures An Astrovizicist's Guide to the Film "Deep Field: The Impossible Magnitude of Our Universe"
Speaker: Frank Summers (Space Telescope Science Institute) In November 2018, composer Eric Whitacre's Hubble-inspired symphony "Deep Field" was released as a film accompanied by NASA images...
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5 Feb 2019
Lectures Our Place in the Stars
Speaker: Amaya Moro-Martin (Space Telescope Science Institute) The essential questions of our cosmic existence include "What is our place in the stars?", "How did we get here?", and...
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15 Jan 2019
Lectures Initial Exoplanet Discoveries from TESS
Speaker: Scott Fleming (Space Telescope Science Institute) In April 2018, NASA’s Transiting Exoplanet Survey Satellite (TESS) launched and by the summer, it was sending back data. What has this...
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4 Dec 2018
Lectures Black Holes and Other Dark Matters
Speaker: Marc Kamionkowski (Johns Hopkins University) In February 2016, the Laser Interferometer Gravitational Wave Observatory (LIGO) announced discovery of the merger of two black holes, each of which...
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13 Nov 2018
Lectures Observing with Hubble: From Scientific Idea to Published Results (and Everything in Between!)
Speaker: Bill Blair (Johns Hopkins University) When an astronomer has an idea for a Hubble observation, what has to happen for that research to become a reality? This talk will give a “behind the...
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2 Oct 2018
Lectures Chasing Supernovae with Kepler
Speaker: Gautham Narayan (STScI) The Kepler spacecraft launched in 2009 with the goal of discovering exoplanets. However, its highly precise brightness measurements can be used for much more science....
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4 Sep 2018
Lectures 100 Ways to 'Die' in the Universe
Speaker: Katey Alatalo (Space Telescope Science Institute) Astronomers organize galaxy shapes using a system proposed by Edwin Hubble in 1928. At first glance, the Hubble sequence appears to be akin to...
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7 Aug 2018
Lectures Ashes to Ashes, Dust to Dust: The Fate of Stars Like the Sun
Speaker: Greg Sloan (STScI) Our Sun, though seemingly eternal, is about halfway through its roughly 10-billion-year lifespan. What will happen when the Sun dies? Not only will the answer be important...
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