Creator	Role	# of Episodes
Julio Aprea Rocketeer at @esaHost PodcastCo-host @Interplanetypod	Host	14
Jamie Franklin	Host	321
Matthew Russell	Host	321
John Z. Kiss Space Biologist & Dean-@UNCG_CASExperiments on STS-81,84,121,115,130,131. Spac... more	Guest	1
Loren Grush Loren Grush is a science reporter. She is currently the science reporter for The... more	Guest	1
Peter Ward Peter Ward is a NYC-based British journalist and author of The Consequential Fro... more	Guest	1
Jeff Shesol Jeff Shesol is a historian, speechwriter, and comic strip author.	Guest	1
Dr. Catherine 'Caty' Pilachowski Professor Caty Pilachowski, Ph.D. holds the Kirkwood Chair in Astronomy at India... more	Guest	1
Dr. Robert Zubrin Dr. Robert Zubrin is an American aerospace engineer and author best known for hi... more	Guest	2
Moriba Jah Moriba Kemessia Jah is an American space scientist and aerospace engineer, known... more	Guest	1
Isaac Arthur Isaac Albert Arthur is a science communication YouTuber and futurist. He is best... more	Guest	1
Chris Carberry Chris Carberry is the CEO and co-founder of Explore Mars, Inc.	Guest	1
Mary Robinette Kowal Mary Robinette Kowal is an American author and puppeteer, she is also the co-hos... more	Guest	1