June 4-7, 2026

Hilton McLean Tysons Corner, McLean, Virginia

In the Washington D.C. Metropolitan Area 

Save The Date

National Space Society's 44th Annual:

INTERNATIONAL SPACE DEVELOPMENT CONFERENCE (ISDC) 2026 

What you can do at ISDC

THE ISDC 2026 EXPERIENCE 

Meet the Leaders of Space Exploration

ISDC 2026 Featured Speakers

Dr. Pascal Lee

Planetary Scientist, Co-founder and Chairman, Mars Institute

01 Lee, Pascal

Dr. Sherry Bell

Dean of Psychology, Kepler Space University

02 Bell, Sherry

Rod Pyle

Ad Astra Editor-in-Chief, Author, Host of "This Week in Space"

03 Pyle, Rod

John Mankins

President, Mankins Space Technology

04 Mankins, John

Nancy C. Wolfson

The American Institute of Aeronautics and Astronautics

05 Wolfson, Nancy C.

Phil Swan

Director of Infrastructure, The Atlantis Project

06 Swan, Phil

Gary Barnhard

CEO, Xtraordinary Innovative Space Partnerships, Inc

07 Barnhard, Gary

Stevan Akerley

Space Ambassadors Program Director National Space Society

08 Akerley, Stevan

Bryce Meyer

NSS Space Ambassador, Space Farms, St Louis Space Frontier

Meyer, Bryce

Madhu Thangavelu

Dept of Astronautical Engineering, Viterbi School

Thangavelu, Madhu



in focus

ISDC 2026 Sessions


Call For Abstracts!


We are now accepting abstracts for ISDC 2026!
The submission deadline is April 15, 2026.

Collaboration turning vision into velocity.

From vision to voyage—powered by partnership.

"Being at this global space event was like getting a front-row seat to humanity's future."

- Nicole D.

"These are my people!

I’d been looking for a space conference near me forever!"

- Travis W.

OVER

Customers served! 0 +  Past attendees

Trusted by Space Visionaries, Celebrated by Enthusiasts

  • Join the community & legacy of the 44th ISDC
  • Be among over 1000 attendees this year
  • Past speakers have included visionaries like Buzz Aldrin, Isaac Arthur, Eileen Collins, Neil deGrasse Tyson, Jared Isaacman, Kathryn Lueders, Lori Garver, Dr. Eric Smith, Elon Musk, Bill Nye, Jeff Bezos, and Dr. Mae Jemison
  • Our platform has driven legislation and inspired countless individuals to pursue STEM education.

ISDC: Shaping the Legacy of Space Conferences for Over 40 Years

Moments that Defined Space Dialogue

Jared Isaacman

Martine Rothblatt

Buzz Aldrin

Susan Kilrain & Hoot Gibson

Melissa Navia

William Shatner

Bill Nye

Neil deGrasse Tyson

Jeff bezos

Brian McManus & Isaac Arthur

Buzz & Neil

Elon Musk


Thank you to ISDC 2025 Sponsors for Making it Happen!

Interested in More Space?

Check out the National Space Society's Official Magazine

Need more information?
Reach Out to Us.
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