Publications

Published Book Chapters

  1. “An Introduction to Reclaiming Space.” Lead author with Linda Billings and Erika Nesvold. In Reclaiming Space: Progressive and Multicultural Visions of Space Exploration, edited by James Schwartz, Linda Billings, and Erika Nesvold, pp. 1-22. Oxford University Press, 2023.
     
  2. “Appreciating What's Really Beautiful About Space.” In Reclaiming Space: Progressive and Multicultural Visions of Space Exploration, edited by James Schwartz, Linda Billings, and Erika Nesvold, pp. 139-148. Oxford University Press, 2023.
     
  3. “Space Ethics.” Second author with Tony Milligan. In Routledge Handbook of Social Studies of Outer Space, edited by J. Salazar and A. Gorman, pp. 106-118. Routledge, 2023.
     
  4. ”Justice in Space: Demanding Political Philosophy for Demanding Environments.” In Institutions of Extraterrestrial Liberty, edited by Charles Cockell, pp. 411-422. Oxford University Press, 2023. 
     
  5. ”A Space Settler's Bill of Rights.” With Russell Greenall-Sharp, David Kobza, Courtney Houston, Mohammad Allabad, and Jamie Staggs. In Astrobiology: Science, Ethics, and Public Policy, edited by Octavio Chon-Torres, Richard Gordon, Joseph Seckbach, and Ted Peters, pp. 377-388. Wiley, 2021.
     
  6. “A Right to Return to Earth? Emigration Policy for the Lunar State.” In The Human Factor in Settlement of the Moon, edited by Konrad Szocik and Margaret Boone Rappapport, pp. 193-205. Springer, 2021.
     
  7. “Gunnery Sergeant Draper and the Martian Congressional Republic's Vision for Mars.” In The Expanse and Philosophy: So Far Out Into The Darkness, edited by Jeffery Nicholas, pp. 151-160. Wiley, 2021.
     
  8. ”The Accessible Universe: On the Choice to Require Bodily Modification for Space Exploration.” In Human Enhancements for Space Missions: Lunar, Martian, and Future Missions to the Outer Planets, edited by Konrad Szocik, pp. 201-215. Springer, 2020.
     
  9. ”Myth-Free Space Advocacy Part IV: The Myth of Public Support for Astrobiology.” In Social and Conceptual Issues in Astrobiology, edited by Kelly Smith and Carlos Mariscal, pp. 263-287. Oxford University Press, 2020.
     
  10. ”Some Ethical Constraints on Near-Earth Resource Exploitation.” Lead author with Tony Milligan. In Yearbook on Space Policy 2015, edited by C. Al-Ekabi, C. Baranes, P. Hulsroj, and A. Lahcen, 227-239. Springer, 2017.
     
  11. ”Lunar Labor Relations.” In Dissent, Revolution, and Liberty in Space, edited by Charles Cockell, pp. 41-58. Springer, 2016.
     
  12. “Introduction: The Scope and Content of Space Ethics”. Lead author with Tony Milligan to The Ethics of Space Exploration, pp. 1-11. Springer, 2016.
     
  13. “On the Methodology of Space Ethics.” In The Ethics of Space Exploration, edited by James S.J. Schwartz and Tony Milligan, 93-107. Springer, 2016.
     
  14. ”Rendezvous with Research: Government Support of Science in a Space Society,” in Human Governance Beyond Earth: Implications for Freedom, pp. 197-212, edited by Charles Cockell. Springer, 2015.
     
  15. ”Fairness as a Moral Grounding for Space Policy,” in The Meaning of Liberty Beyond Earth, pp. 69-89, edited by Charles Cockell. Springer, 2015.
     

Peer-Reviewed Journal Articles

  1. “What Do We Need To Ask Before Settling Space?” Lead author with Sheri Wells-Jensen, John Traphagan, Deana Weibel, and Kelly Smith. Journal of the British Interplanetary Society 74 (2021): 140-149. 
     
  2. “Where No Planetary Protection Policy Has Gone Before.” International Journal of Astrobiology 18 (2019): 353-361. 
     
  3. “Mars: Science Before Settlement.” Theology and Science 17 (2019): 324-331.
     
  4. “Space Settlement: What's the Rush?” Futures 110 (2019): 56-59. 
     
  5. “The Great Colonization Debate.” With Kelly Smith, Keith Abney, et al. Futures 110 (2019): 4-14.  
     
  6. “Worldship Ethics: Obligations to the Crew.” Journal of the British Interplanetary Society 71 (2018): 53-64.
     
  7. “Myth-Free Space Advocacy Part III: The Myth of Educational Inspiration.” Space Policy 42 (2018): 24-32.
     
  8. “Myth-Free Space Advocacy Part II: The Myth of the Space Frontier.” Astropolitics 15 (2017): 167-184.  
     
  9. “Myth-Free Space Advocacy Part I---The Myth of Innate Exploratory and Migratory Urges.” Acta Astronautica 137 (2017): 450-460.  
     
  10. “Near-Earth Water Sources: Ethics and Fairness.” Advances in Space Research 58 (2016): 402-407.
     
  11. “Mathematical Structuralism, Modal Nominalism, and the Coherence Principle.” Philosophia Mathematica 23 (2015): 367-385. 
     
  12. “Prioritizing Scientific Exploration: A Comparison of the Ethical Justifications for Space Development and for Space Science.” Space Policy 30 (2014): 202-208.
     
  13. “On the Moral Permissibility of Terraforming.” Ethics and the Environment 18(2) (2013): 1-31. 
     
  14. “Our Moral Obligation to Support Space Exploration.” Environmental Ethics 33 (2011): 67-88.

Other Publications

  1. “Space Policy as a Prompt for Philosophy: The Example of Planetary Protection.” Daily Nous, 22 February 2021. 
     
  2. “`Space Ethics' According to Space Ethicists.” Lead author with Tony Milligan. The Space Review, 1 February 2021.
     
  3. “Planetary Science Decadal Survey 2023-2032 White Paper: Our Ethical Obligation to Planetary Science in the Age of Competitive Space Exploration.” With Casey Dreier and Mark Schneegurt.
     
  4. “Rationales for Space Exploration.” Excerpt of The Value of Science in Space Exploration. Oxford Academic Medium.com channel.
     
  5. “Space For Concern: Trump's Executive Order on Space Resources.” Invited contribution to Oxford University Press Blog, 22 April 2020.
     
  6. “Near-Earth Resources: Short-Term Limitations with Interstellar Consequences.” In Proceedings of the Sixth Interstellar Symposium and Advanced Propulsion Workshop, edited by Paul Gilster, pp. 166-169. Tennessee Valley Interstellar Workshop, 2020.
     
  7. “Worldship Ethics 101: The Shipborn.” In Proceedings of the 2017 Tennessee Valley Interstellar Workshop, edited by David Fields, pp. 195-200. Tennessee Valley Interstellar Workshop, 2020.
     
  8. Signatory to A Manifesto for Governing Life on Mars, edited by Robert Cowley. London: King's College London, 2019.
     
  9. Letter to the Editor of the Journal of the British Interplanetary Society 71 (2018): 359-360.
     
  10. “Where No Planetary Protection Policy Has Gone Before.” In Proceedings of the 2016 Tennessee Valley Interstellar Workshop, edited by David Fields and Abby Sherriff, pp. 29-36. Tennessee Valley Interstellar Workshop, 2016.
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