Public Speaking and Appearances
Marc has spoken about his writings on television, on the radio, and at various bookstores and venues. Email to book an event for book clubs, signings, podcasts, or shows.
Coast to Coast AM with George Noory
January 21, 2025
June 24, 2024
September 28, 2021
July 21, 2020
August 24, 2015
January 27, 2006
Science Education Summit
”Imagining Mars: A History of Curiosity and Beliefs That Paved
Our Journey to the Red Planet”
November 22, 2024
Meanwhile Here on Earth with Peter Robbins
February 17, 2025
October 27, 2024
October 24, 2023
Casual Space Podcast
Episode 245, September 2024
Episode 198, September 2023
Mysterious Radio
June 10, 2024
August 28, 2021
Xploration Outer Space
“Discovering Mars” and “Myths and Mysteries”
Season 8, May 2024
Peculiar Book Club
May 9, 2024
October 27, 2022
Fade to Black with Jimmy Church
February 19, 2025
December 14, 2023
Fascinating Nouns
December 12, 2023
Planetary Society Book Club Q&A
November 30, 2023
Coast to Coast AM with George Knapp
November 19, 2023
Coast to Coast AM with Cheryll Jones
October 26, 2023
That UFO Podcast
October 19, 2023
Alien Theorists Theorizing
October 2, 2023
Exeter UFO Festival
September 3, 2023
The UnXplained
”The Weird Wild West” / Season 4, Episode 20
The History Channel
December 2, 2022
Grey Towers, Milford, PA
November 13, 2022
Halloween Fright Night, HistFest
October 31, 2022
Stardust Festival, Cochrane, Ontario
August 4, 2022
Humans to Mars Summit, Washington, DC
May 18, 2022
Coney Island’s Congress of Curious Peoples
Keynote Speaker, April 1, 2022
New York Comic Con 2021
Panelist: “Greater Than Fiction: Real Life Stories of Tragedy and Triumph!”
October 10, 2021
Hysteria 51 - Episode 258
September 27, 2021
Last Podcast on the Left
August 17, 2021
Weird Tales with Charles Christian
Episode 165, May 2021
Midnight Society with Tim Weisberg
May 4, 2021
August 30, 2021
Jobsolete Podcast
Featured expert on Season 1, Episode 11: “Stone Eaters”, March 2021
Planetfest '21
"A Conversation: Why I Make Up Stories About Mars" discussion panel with Kim Stanley Robinson, Andy Weir, and Mat Kaplan, February 2021
Explore Mars Webinar
A Conversation about The Big Book of Mars with Joe Cassady (Executive Director, Space, Aerojet Rocketdyne), February 2021
The Other Side of Midnight with Richard Hoagland
August 9, 2020
Edge of Reality Radio with Lee Speigel
July 9, 2020
Project Archivist
Episode 330 (Sept. 2020) and Episode 280 (November 2018)
The Stuph File Program
Monthly weird history segment, Sept. 2020 - Present
Morbid Anatomy Museum Festival of Arcane Knowledge
May 5, 2019
McDaniel College
Lecture in conjunction with the Visions of the Circus exhibit, October 2017
Symposium Series
The Science of Sideshow, May 2017
Mütter Museum of the College of Physicians of Philadelphia
October 2016
Brooklyn Historical Society
April 2016
Coney Island Museum
December 2015
Morbid Anatomy Museum
2015 (Aug, Nov.)
Barnes & Noble
(Multiple locations), 2010, 2015
The Travel Channel's Mysteries at the Museum
2014: "Missile Mailbox"
The Maury Show
2010
The Jay Thomas Show
2010
The Brian Lehrer Show - WNYC
Jan. 1, 2003 and Dec. 10, 2002
CNN with Jeanne Moos
2002
The Jerry Nachman Show - MSNBC
2002
