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Next Event - September 10, 2021

Summer Break

1st Meeting of the Fall Lecture Series is September 10!


Past Event - June 18, 2021

NASA’s Commercial Crew Program

Returning America to Human Spaceflight

Steve Stich

NASA

Past Event - June 4, 2021

Quantum Gravity

 

Carlo Rovelli

Aix-Marseille University

Past Event - May 21, 2021

Bringing Back the American Chestnut Tree

How Biotechnology Can Be Applied to Conservation

William A. Powell

American Chestnut Research & Restoration Project

Past Event - May 7, 2021

Satellite Constellations and Astronomy

Satellite Interference with Astronomical Observations and Potential Remedies

Tony Tyson

The Rubin Observatory

Past Event - April 9, 2021

Designing Alien Artificial Intelligences

Programming Beyond the Limits of Human Knowledge and Reason

James Evans

University of Chicago

Past Event - March 19, 2021

The Clipper Mission to Europa

Exploring a Potentially Habitable Ocean World

Kate Craft

Hopkins Applied Physics Laboratory

Past Event - February 5, 2021

The Search for Extraterrestrial Life

Are We the Sharpest Cookies in the Jar?

Abraham (Avi) Loeb

Harvard University

Past Event - November 6, 2020

Is There a Crisis in Cosmology?

A New Debate Over the Value of H0

Wendy Freedman

University of Chicago

Past Event - May 15, 2020

The Event Horizon Telescope

First Ever Images of a Black Hole

Sheperd S. Doeleman

Harvard-Smithsonian Center for Astrophysics
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Upcoming Events

September 10, 2021 at 8:00 PM Meeting #2,444
Summer Break

1st Meeting of the Fall Lecture Series is September 10!

See All Upcoming Events

Featured Videos

A Planet Definition Debate
Alan Stern (PI New Horizons Mission) & Ron Ekers (Past President IAU)
The Doom of Spacetime
Why It Must Dissolve Into More Fundamental Structures
Nima Arkani-Hamed
Professor, The Institute for Advanced Study, Princeton, and
A. D. White Professor-at-Large, Cornell University
After the James Webb Space Telescope
In-Space Assembly of Very Large Space-Based Observatories
John M. Grunsfeld
Astronaut
Former Associate Administrator, Science Mission Directorate
National Aeronautics and Space Administration
Human Skin Color
Its Evolution and Relevance to Health and Human Society
Nina Jablonski
Evan Pugh Professor of Anthropology
Pennsylvania State University

The Society

2020-2021 Series Sponsors 

Policy Studies Organization
in cooperation with the     
 American Public University
Founded 1871 as the Philosophical Society of Washington
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