NASA Astrobiology

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Emerging Trends in Comet Taxonomy. “Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in Icarus

Cycles of Glaciation on Ancient Mars. “Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.

Methane Muted: How Did Early Earth Stay Warm?. “A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS

Emerging Trends in Comet Taxonomy“Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in Icarus01/03

Cycles of Glaciation on Ancient Mars“Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.02/03

Methane Muted: How Did Early Earth Stay Warm?“A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS03/03

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July 2021Exploring habitability with artificial hydrothermal vents

Sanchez, A. M. (2021). Exploring habitability with artificial hydrothermal vents. Nature Reviews Earth & Environment. doi:10.1038/s43017-021-00206-3

June 2021Bayesian analysis of Enceladus’s plume data to assess methanogenesis

Affholder, A., Guyot, F., Sauterey, B., Ferrière, R., & Mazevet, S. (2021). Bayesian analysis of Enceladus’s plume data to assess methanogenesis. Nature Astronomy. doi:10.1038/s41550-021-01372-6

The Energetic Potential for Undiscovered Manganese Metabolisms in Nature

LaRowe, D. E., Carlson, H. K., & Amend, J. P. (2021). The Energetic Potential for Undiscovered Manganese Metabolisms in Nature. Frontiers in Microbiology, 12, None. doi:10.3389/fmicb.2021.636145

Geochemistry and Cosmochemistry of potassium stable isotopes

Wang, K., Li, W., Li, S., Tian, Z., Koefoed, P., & Zheng, X-Y. (2021). Geochemistry and Cosmochemistry of potassium stable isotopes. Geochemistry, None, 125786. doi:10.1016/j.chemer.2021.125786

Draft Genome Sequence of Shewanella sp. Strain BF02_Schw, Isolated from Blood Falls, a Feature Where Subglacial Brine Discharges to the Surface of Taylor Glacier, Antarctica

Boles, B. W., Murdoch, R. W., Ohlsson, I., & Mikucki, J. A. (2021). Draft Genome Sequence of Shewanella sp. Strain BF02_Schw, Isolated from Blood Falls, a Feature Where Subglacial Brine Discharges to the Surface of Taylor Glacier, Antarctica. Microbiology Resource Announcements, 10(22), None. doi:10.1128/mra.01141-20

Stellar Winds Drive Strong Variations in Exoplanet Evaporative Outflow Patterns and Transit Absorption Signatures

Harbach, L. M., Moschou, S. P., Garraffo, C., Drake, J. J., Alvarado-Gómez, J. D., Cohen, O., & Fraschetti, F. (2021). Stellar Winds Drive Strong Variations in Exoplanet Evaporative Outflow Patterns and Transit Absorption Signatures. The Astrophysical Journal, 913(2), 130. doi:10.3847/1538-4357/abf63a

Potassium distribution and isotope composition in the lithospheric mantle in relation to global Earth’s reservoirs

Ionov, D. A., & Wang, K. (2021). Potassium distribution and isotope composition in the lithospheric mantle in relation to global Earth’s reservoirs. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2021.06.033

The chemical composition of impact craters on Titan

10.1051/0004-6361/202037866

The chemical composition of impact craters on Titan

10.1051/0004-6361/202037866

Seasonal hydrologic and geologic forcing drive hot spring geochemistry and microbial biodiversity

Colman, D. R., Lindsay, M. R., Harnish, A., Bilbrey, E. M., Amenabar, M. J., Selensky, M. J., … Boyd, E. S. (2021). Seasonal hydrologic and geologic forcing drive hot spring geochemistry and microbial biodiversity. Environmental Microbiology. doi:10.1111/1462-2920.15617

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