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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October 2023The H content of aubrites: An evaluation of bulk versus in situ methods for quantifying water in meteorites

Peterson, L. D., Newcombe, M. E., Alexander, C. M. O. D., Wang, J., Klein, F., Bekaert, D. V., & Nielsen, S. G. (2023). The H content of aubrites: An evaluation of bulk versus in situ methods for quantifying water in meteorites. Earth and Planetary Science Letters, 620, 118341. doi:10.1016/j.epsl.2023.118341

Chronology of alkali anorthosite 14304 clast “b” records basin forming impact at ∼3.95 Ga

Kruijer, T. S., Borg, L. E., Cassata, W. S., Wimpenny, J., Brennecka, G. A., Shearer, C. K., & Simon, S. B. (2023). Chronology of alkali anorthosite 14304 clast “b” records basin forming impact at ∼3.95 Ga. Geochimica et Cosmochimica Acta, 358, 61–76. doi:10.1016/j.gca.2023.07.026

Organosulfur Aerosols Likely Carried Sulfur MIF Signatures in the Early Earth’s Atmosphere

Oduro, H., Ono, S., Alrasheed, F., & Eldridge, D. L. (2023). Organosulfur Aerosols Likely Carried Sulfur MIF Signatures in the Early Earth’s Atmosphere. Geochemistry, Geophysics, Geosystems, 24(10), None. doi:10.1029/2022gc010777

Cyanide Abundance and Soluble Organic Composition in Highly Aqueously Altered CM Chondrites

Reichow, R. A., Schwartz, P. K., Smith, K. E., & Callahan, M. P. (2023). Cyanide Abundance and Soluble Organic Composition in Highly Aqueously Altered CM Chondrites. ACS Earth and Space Chemistry. doi:10.1021/acsearthspacechem.3c00229

Biosignature preparation for ocean worlds (BioPOW) instrument prototype

Duval, K. A., Van Volkenburg, T. B., Craft, K. L., Person, C. M., Harshman, J. S., Fernandes, D. O., … Bradburne, C. E. (2023). Biosignature preparation for ocean worlds (BioPOW) instrument prototype. Frontiers in Astronomy and Space Sciences, 10, None. doi:10.3389/fspas.2023.1244682

Observational evidence for cylindrically oriented zonal flows on Jupiter

Kaspi, Y., Galanti, E., Park, R. S., Duer, K., Gavriel, N., Durante, D., … Bolton, S. J. (2023). Observational evidence for cylindrically oriented zonal flows on Jupiter. Nature Astronomy. doi:10.1038/s41550-023-02077-8

Oxygenation of the Baltoscandian shelf linked to Ordovician biodiversification

Lindskog, A., Young, S. A., Bowman, C. N., Kozik, N. P., Newby, S. M., Eriksson, M. E., … Owens, J. D. (2023). Oxygenation of the Baltoscandian shelf linked to Ordovician biodiversification. Nature Geoscience. doi:10.1038/s41561-023-01287-z

Unraveling the functional dark matter through global metagenomics

Pavlopoulos, G. A., Baltoumas, F. A., Liu, S., Selvitopi, O., Camargo, A. P., Nayfach, S., … , . (2023). Unraveling the functional dark matter through global metagenomics. Nature. doi:10.1038/s41586-023-06583-7

Prospects for Cryovolcanic Activity on Cold Ocean Planets

Quick, L. C., Roberge, A., Mendoza, G. T., Quintana, E. V., & Youngblood, A. A. (2023). Prospects for Cryovolcanic Activity on Cold Ocean Planets. The Astrophysical Journal, 956(1), 29. doi:10.3847/1538-4357/ace9b6

The Dynamic Influence of Subsurface Geological Processes on the Assembly and Diversification of Thermophilic Microbial Communities in Continental Hydrothermal Systems

Sims, K. W. W., Messa, C. M., Scott, S. R., Parsekian, A. D., Miller, A., Role, A. L., … Boyd, E. S. (2023). The Dynamic Influence of Subsurface Geological Processes on the Assembly and Diversification of Thermophilic Microbial Communities in Continental Hydrothermal Systems. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2023.10.021

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