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Peer-reviewed publications

See my Google Scholar page for up-to-date citation information.

Wolfenbarger, N. S., Fox-Powell, M. G., Buffo, J. J., Soderlund, K. M. & Blankenship, D. D. (2022) Brine Volume Fraction as a Habitability Metric for Europa's Ice Shell. Geophysical Research Letters 49(22); 


Wolfenbarger, N. S., Fox-Powell, M. G., Buffo, J. J., Soderlund, K. M. & Blankenship, D. D. (2022) Compositional Controls on the Distribution of Brine in Europa’s Ice Shell. Journal of Geophysical Research: Planets 127(9);


Moreras-Marti, A., Fox-Powell, M. G., Cousins, C. R., Macey, M. C. & Zerkle, A. (2022) Sulfur isotope biosignatures for Mars and Europa exploration. Journal of the Geological Society 179;


Oliver, J. A. W., Kelbrick, M., Ramkissoon, N. K., Dugdale, A., Stephens, B. P., Kucukkilic-Stephens, E., Fox-Powell, M. G., Schwenzer, S. P., Antunes, A. & Macey, M. C. (2022) Sulfur Cycling as a Viable Metabolism under Simulated Noachian/Hesperian Chemistries. Life 12(4), 523;

Moreras-Marti, A., Fox-Powell, M. G., Stueeken, E., Di Rocco, T., Galloway, T., Cousins, C. R. & Zerkle, A. L. (2021) Quadruple sulfur isotope biosignatures from terrestrial Mars analogue systems. Geochimica et Cosmochimica Acta 308: 157-172

Moreras-Marti, A., Fox-Powell, M. G., Zerkle, A., Stueeken, E., Gázquez, F., Brand, H., Galloway, T., Purkamo, L. & Cousins, C. R. (2021) Volcanic controls on the microbial habitability of Mars-analogue hydrothermal environments. Geobiology

Fox-Powell, M. G. & Cousins, C. R. (2021) Partitioning of crystalline and amorphous phases during freezing of simulated Enceladus ocean fluids. Journal of Geophysical Research: Planets 126, e2020JE006628

Macey, M. C., Fox–Powell M.G., Ramkissoon, N. K., Stephens B. P.1, Barton T., Schwenzer, S. P., Pearson, V. K., Cousins Claire R., Olsson–Francis, K., (2020) Sulfide oxidation: a potential metabolism driving primary production on late Noachian Mars. Scientific Reports 10 (10941)

Fox-Powell, M. G., Osinski, G. R., Applin, D., Stromberg, J., Allender, E., Gázquez, F., Cloutis, E. & Cousins, C. R. (2019) Natural analogue constraints on Europa's non-ice surface material. Geophysical Research Letters 46 (11): 5759-5767

Payler, S. J., Biddle., J. F., Sherwood Lollar, B., Fox-Powell, M. G., Edwards, T., Ngwenya, B. T., Paling, S. M. & Cockell, C. S. (2019) An Ionic Limit to Life in the Deep Subsurface. Frontiers in Microbiology 10 (426)

Fox-Powell, M. G., Channing, A., Applin, D., Mann, P., Cloutis E. & Cousins, C. R. (2018) Cryogenic silicification of microorganisms in hydrothermal fluids. Earth and Planetary Science Letters 498: 1-8

Fox-Powell, M. G. & Cockell, C. S. (2018) Building a geochemical view of microbial salt tolerance: Halophilic adaptation of Marinococcus in a natural magnesium sulfate brine. Frontiers in Microbiology 9 (739)

Stevens, A. H., Childers, D., Fox-Powell, M. G., Nicholson, N., Jhoti, E. & Cockell, C. S. (2018) Growth, viability and death of planktonic and biofilm Sphingomonas desiccabilis in simulated martian brines. Astrobiology 19 (2)

Cockell C. S., Biller B., Bryce C., Cousins C., Direito S., Forgan D., Fox-Powell M. G., Harrison J., Landenmark H., Nixon S., Payler S. J., Rice K., Samuels T., Schwendner P., Stevens A., Nicholson N., & Wadsworth J. (2018) The UK Centre for Astrobiology: A Virtual Astrobiology Centre. Accomplishments and Lessons Learned, 2011–2016. Astrobiology 18 (2) 224-243

Fox-Powell, M. G., Hallsworth, J. E., Cousins, C. R. & Cockell, C. S. (2016) Ionic strength is a barrier to the habitability of Mars. Astrobiology 16 (6) 427-442

Cockell, C. S., Bush, T., Bryce, C., Direito, S., Fox-Powell, M. G., Harrison, J. P., Lammer, H., Landenmark, H., Martin-Torres, J., Nicholson, N., Noack, L., O’Malley-James, Payler S. J., Rushby, A., Samuels, T. Schwendner, P., Wadsworth, J. & Zorzano, M. P. (2016). Habitability: A Review. Astrobiology 16: 89-117 (2016)

Stevenson, A., Burkhardt, J., Cockell, C. S., Cray, J. A., Dijksterhuis, J., Fox-Powell, M. G., Kee, T. P., Kminek, G, McGenity, T. J., Timmis, K. N., Timson, D. J., Voytek, M. A., Yakimov, M. M. & Hallsworth, J. E. (2014) Multiplication of microbes below 0.690 water activity: implications for terrestrial and extraterrestrial life. Environmental Microbiology 17 (2) 257-277

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