Ari Koeppel

Ari Koeppel

AAAS Policy and Advocacy Fellow at The Planetary Society

CV

Professional Positions

Education

Skills

Scientific Publications

  1. Bennett, K., Lally, A., Rutledge, A., Koeppel, A., Edwards, C., Rampe, E., Eifert, H., Henderson, M., Jones, N., Li, A. (2026). Landscape evolution at an emerging englacial esker in Southeast Iceland over weekly‑toannual timescales. Journal of Glaciology
  2. Williford, K., et al. (incl. Koeppel, A. H.D.). (2025). Carbonated Ultramafic Rocks in Jezero Crater, Mars. Science. p.eadu8264
  3. Koeppel, A.H., Edwards, C.S., Edgar, L.A., Nowicki, S., Bennett, K.A., Gullikson, A., Piqueux, S., Eifert, H., Chapline, D. and Rogers, A.D., (2024). A novel surface energy balance method for thermal inertia studies of terrestrial analogs. Earth and Space Science
  4. Annex, A. M., Lewis, K. W., Koeppel, A., Edwards, C. S. (2023). Bedding scale correlation on Mars in western Arabia Terra. Journal of Geophysical Research: Planets.
  5. Koeppel, A.H.D., Edwards, C. S., Annex, A. M., Lewis, K. W., & Carrillo, G. J. (2021). A fragile record of fleeting water on Mars. Geology. 50(2), 152-157.
  6. Tarnas, J. D., Stack, K. M., Parente, M., Koeppel, A.H.D., Mustard J. F., Moore K.R., Horgan B. H. N., Seelos F. P., Cloutis E. A., Kelemen P. B., Flannery D., Brown A. J., Frizzell K. R., Pinet P. (2021). Characteristics, Origins, and Biosignature Preservation Potential of Carbonate‐Bearing Rocks Within and Outside of Jezero Crater. Journal of Geophysical Research: Planets, 126(11), e2021JE006898.
  7. Carrier, B.L., et al., (incl. Koeppel, A.H.D.) (2020). Mars Extant Life: What’s Next? Conference Report. Astrobiology, 20(6)
  8. Koeppel, A., Black, B. and Marchi, S., (2020). Differentiation in Impact Melt Sheets as a Mechanism to Produce Evolved Magmas on Mars. Icarus, 335(113422)
  9. Fesen, R.A.; Neustadt, J., Black, C., and Koeppel, A. (2015). Discovery of an Apparent High Latitude Galactic Supernova Remnant. The Astrophysical Journal, 812(37)

Non-Technical Publications

  1. Koeppel, A., L. Roelofs, S. Vrech, A. M. Rutledge, and M. Turbet (2026), What we could lose trying to make Mars habitable, Eos, 107, https://doi.org/10.1029/2026EO260321. Published on 14 October 2026.
  2. Koeppel, A. (2026, Sept. 7). Meet the next generation of Mars exploration. The Planetary Report.
  3. Koeppel, A. (2026, Jul. 15). What happens now that comments have been submitted on the devastating OMB rules? The Planetary Society.
  4. Koeppel, A. (2026, Jun. 4). When science answers to politics: A proposed rule could reshape how the United States funds space and science research. The Planetary Society.
  5. Koeppel, A. (2026, Apr. 3). What is the skinny budget and what does it mean for NASA? The Planetary Society.
  6. Koeppel, A. (2025, Dec. 9). Lower cost space missions like NASA’s ESCAPADE are starting to deliver exciting science – but at a price in risk and trade‑offs. The Conversation.
  7. Koeppel, A. (2025, Nov. 19). Revisiting NASA funding as the government reopens. The Planetary Society.
  8. Koeppel, A. (2025, Oct. 31). ESCAPADE launch: What to expect. The Planetary Society.
  9. Koeppel, A. (2025, Sept. 17). Mars rovers serve as scientists’ eyes and ears from millions of miles away – here are the tools Perseverance used to spot a potential sign of ancient life. The Conversation.
  10. Koeppel, A. (2025, May 22). A decade after the release of “the martian” and a decade out from the world it envisions, a planetary scientist checks in on real‑life mars exploration. The Conversation.

Presentations

  1. Koeppel, A., Dreier, C. (2026). Assessing Scientific Productivity of NASA’S Space Missions by Cost. Keynote to the 23rd International Planetary Probe Workshop. Washington, DC.
  2. Koeppel, A., Dreier, C. (2026). Assessing Scientific Productivity of NASA’S Space Missions by Cost. Abstract of the 57th Annual Lunar and Planetary Science Conference. No. 1606. The Woodlands, TX.
  3. Koeppel, A., et al. (2026). Characterization of Buried Ice and Permafrost with Drone Thermal Imaging. Symposium on the Application of Geophysics to Engineering and Environmental Problems. Pittsburg, PA.
  4. Koeppel, A., Edwards, C. S., Rutledge, A. M., Smith, M. D., Bennett, K. A., Edgar, L. A., Eifert, H., Rampe, E.B., Li, A., Jones, N.A., and Henderson, M. (2024). Tracking Permafrost Thaw with Remote Thermal Imagery. Abstract EP21B‑05 of the 2024 AGU Fall Meeting, Washington, D.C.
  5. Koeppel, A., Y. Martos, M. Thorpe, and Other NASA GSFC Affiliates (2024). Conducting Inclusive and Engaging Planetary Analog Fieldwork. Abstract 2017 of the 2024 Advancing IDEA in Planetary Science Conference, Virtual.
  6. Koeppel, A., Edwards, C. S., Eifert, H., Rutledge, A. M., Edgar, L. A., Bennett, K. A., Rampe, E.B., Li, A., Jones, N.A., and Henderson, M. (2023). Constraining thermal effects of water sequestration and loss from a Mars regolith analog at Breiðamerkurjökull, Iceland. Abstract P41J‑3296 of the 2023 AGU Fall Meeting, San Francisco, CA.
  7. Koeppel, A., Edwards, C. S., Edgar, L. A., Gullikson, A., Bennett, K., Piqueux, S., Nowicki, S., Eifert, H., Weintraub, A., Ahern, A., Rogers, A. D. (2023) Surface Temperatures from Mars to Earth and Back: Developing New Interpretations of Thermal Inertia from Ground Truth Experiments. Abstract of the 54th Annual Lunar and Planetary Science Conference. No. 2806. The Woodlands, TX.
  8. Koeppel, A., Edwards, C. S., Eifert, H., Edgar, L. A., Nowicki, S., Bennett, K., Gullikson, A., Piqueux, S., Rutledge, A. M., Rampe, E., Carr, B., Rogers, A. D. (2022). Using Surface Temperatures to Interpret Sediments and Volatiles at Mars Analog Sites. Abstract of GSA Connects 2022. Denver, CO.
  9. Koeppel, A. “Infrared Mars” Invited talk at the Science Museum of Virginia. March 2nd, 2022
  10. Koeppel, A., Edwards, C. S., Bennett, K., A.; Edgar, L. A., Eifert, H., Gullikson, A., Nowicki, S., Piqueux, S., Rogers, A. D. (2021). Linking Thermal Properties of Terrestrial Sedimentary Environments to Mars. Abstract EP25H-1405 of the 2021 AGU Fall Meeting, New Orleans, LA.
  11. Koeppel, A., Edwards, C. S.; Carrillo, G.; Annex, A. M.; Lewis, K. W. (2020). The Martian Dust Bowl: Thermal Inertia in Sediment-Filled Craters Reveals a Noachian Dry Spell. Abstract P073-05 of the 2020 AGU Fall Meeting, Virtual.
  12. Koeppel, A.; Edwards, C. S.; Carrillo, G.; Annex, A.; Lewis, K. (2020) Reinterpreting Thermal Inertia for Mapping Martian Geology. Abstract 7056 of the 2020 Annual Meeting of Planetary Geologic Mappers, Virtual.
  13. Koeppel A., Trilling D., Koch G., Schwartz E., Edwards C., (2019) Testing Methods for Detection of Unfamiliar Life in Martian Regolith. Abstract 5100 of the Mars Extant Life: What’s Next? Conference, Carlsbad, NM.
  14. Koeppel, A.H.D., A. M. Annex, C. Pan, C. S. Edwards, K. W. Lewis, (2019). Compositional and Thermophysical Indicators of Regional Aqueous Activity in Arabia Terra Crater Deposits. Abstract 6319 of the Ninth International Conference on Mars, Pasadena, CA.
  15. Koeppel, A.H.D., Edgar, L., (2019). Recognizing Stratigraphic Diversity through 1:10,000 scale Geologic mapping of Northwest Aeolis Mons, Mars. Abstract 7015 of the Annual Meeting of Planetary Geologic Mappers, Flagstaff, AZ.
  16. Koeppel, A., Black, B. and Marchi, S., (2017). Differentiation in Impact Melt Sheets as a Mechanism to Produce Evolved Magmas on Mars. Abstract P51A-2579 of the 2017 AGU Fall Meeting, New Orleans, LA.

Teaching

Service and leadership