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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February 2022The origin of volatile elements in the Earth–Moon system

Borg, L. E., Brennecka, G. A., & Kruijer, T. S. (2022). The origin of volatile elements in the Earth–Moon system. Proceedings of the National Academy of Sciences, 119(8), None. doi:10.1073/pnas.2115726119

Differential Oligomerization of Alpha versus Beta Amino Acids and Hydroxy Acids in Abiotic Proto-Peptide Synthesis Reactions

Frenkel-Pinter, M., Jacobson, K. C., Eskew-Martin, J., Forsythe, J. G., Grover, M. A., Williams, L. D., & Hud, N. V. (2022). Differential Oligomerization of Alpha versus Beta Amino Acids and Hydroxy Acids in Abiotic Proto-Peptide Synthesis Reactions. Life, 12(2), 265. doi:10.3390/life12020265

A nitrogen-rich atmosphere on ancient Mars consistent with isotopic evolution models

Hu, R., & Thomas, T. B. (2022). A nitrogen-rich atmosphere on ancient Mars consistent with isotopic evolution models. Nature Geoscience, 15(2), 106–111. doi:10.1038/s41561-021-00886-y

Desulfovulcanus ferrireducens gen. nov., sp. nov., a thermophilic autotrophic iron and sulfate-reducing bacterium from subseafloor basalt that grows on akaganéite and lepidocrocite minerals

Kashyap, S., Musa, M., Neat, K. A., Leopo, D. A., & Holden, J. F. (2022). Desulfovulcanus ferrireducens gen. nov., sp. nov., a thermophilic autotrophic iron and sulfate-reducing bacterium from subseafloor basalt that grows on akaganéite and lepidocrocite minerals. Extremophiles, 26(1), None. doi:10.1007/s00792-022-01263-2

Chemical characteristics of iron meteorite parent bodies

Hilton, C. D., Ash, R. D., & Walker, R. J. (2022). Chemical characteristics of iron meteorite parent bodies. Geochimica et Cosmochimica Acta, 318, 112–125. doi:10.1016/j.gca.2021.11.035

Quantitative and Compositional Analysis of Trace Amino Acids in Icy Moon Analogues Using a Microcapillary Electrophoresis Laser-Induced Fluorescence Detection System

Duca, Z. A., Craft, K. L., Cable, M. L., & Stockton, A. M. (2022). Quantitative and Compositional Analysis of Trace Amino Acids in Icy Moon Analogues Using a Microcapillary Electrophoresis Laser-Induced Fluorescence Detection System. ACS Earth and Space Chemistry. doi:10.1021/acsearthspacechem.1c00297

Uniform initial 10Be/9Be inferred from refractory inclusions in CV3, CO3, CR2, and CH/CB chondrites

Dunham, E. T., Wadhwa, M., Desch, S. J., Liu, M. C., Fukuda, K., Kita, N., … Fujimoto, Y. (2022). Uniform initial 10Be/9Be inferred from refractory inclusions in CV3, CO3, CR2, and CH/CB chondrites. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2022.02.002

Impact-formed complex diamond-graphite nanostructures

Németh, P., McColl, K., Garvie, L. A. J., Corà, F., Salzmann, C. G., & McMillan, P. F. (2022). Impact-formed complex diamond-graphite nanostructures. Resolution and Discovery. doi:10.1556/2051.2021.00089

Cyanide as a primordial reductant enables a protometabolic reductive glyoxylate pathway

Yadav, M., Pulletikurti, S., Yerabolu, J. R., & Krishnamurthy, R. (2022). Cyanide as a primordial reductant enables a protometabolic reductive glyoxylate pathway. Nature Chemistry, 14(2), 170–178. doi:10.1038/s41557-021-00878-w

Rethinking the Search for the Origins of Life

Trail, D., Elsila, J., M�ller, U., Lyons, T., & Rogers, K. (2022). Rethinking the Search for the Origins of Life. Eos, 103, None. doi:10.1029/2022eo220065

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