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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March 2020Redox fluctuations, trace metal enrichment and phosphogenesis in the ∼2.0 Ga Zaonega Formation

Kipp, M. A., Lepland, A., & Buick, R. (2020). Redox fluctuations, trace metal enrichment and phosphogenesis in the ∼2.0 Ga Zaonega Formation. Precambrian Research, None, 105716. doi:10.1016/j.precamres.2020.105716

Draft Genome Sequence of Desulfovibrio sulfodismutans ThAc01, a Heterotrophic Sulfur-Disproportionating Member of the Desulfobacterota

Ward, L. M., Bertran, E., & Johnston, D. T. (2020). Draft Genome Sequence of Desulfovibrio sulfodismutans ThAc01, a Heterotrophic Sulfur-Disproportionating Member of the Desulfobacterota. Microbiology Resource Announcements, 9(13), None. doi:10.1128/mra.00202-20

On the XUV Luminosity Evolution of TRAPPIST-1

Fleming, D. P., Barnes, R., Luger, R., & VanderPlas, J. T. (2020). On the XUV Luminosity Evolution of TRAPPIST-1. The Astrophysical Journal, 891(2), 155. doi:10.3847/1538-4357/ab77ad

Dim Prospects for Transmission Spectra of Ocean Earths around M Stars

Suissa, G., Mandell, A. M., Wolf, E. T., Villanueva, G. L., Fauchez, T., & Kopparapu, R. k. (2020). Dim Prospects for Transmission Spectra of Ocean Earths around M Stars. The Astrophysical Journal, 891(1), 58. doi:10.3847/1538-4357/ab72f9

Discovery of the oldest bilaterian from the Ediacaran of South Australia

Evans, S. D., Hughes, I. V., Gehling, J. G., & Droser, M. L. (2020). Discovery of the oldest bilaterian from the Ediacaran of South Australia. Proceedings of the National Academy of Sciences, None, 202001045. doi:10.1073/pnas.2001045117

Ferromanganese crusts as recorders of marine dissolved oxygen

Sutherland, K. M., Wostbrock, J. A. G., Hansel, C. M., Sharp, Z. D., Hein, J. R., & Wankel, S. D. (2020). Ferromanganese crusts as recorders of marine dissolved oxygen. Earth and Planetary Science Letters, 533, 116057. doi:10.1016/j.epsl.2019.116057

Formation of primitive achondrites by partial melting of alkali-undepleted planetesimals in the inner solar system

Collinet, M., & Grove, T. L. (2020). Formation of primitive achondrites by partial melting of alkali-undepleted planetesimals in the inner solar system. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2020.03.004

Widespread production of silica- and alkali-rich melts at the onset of planetesimal melting

Collinet, M., & Grove, T. L. (2020). Widespread production of silica- and alkali-rich melts at the onset of planetesimal melting. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2020.03.005

Prebiotic Astrochemistry and the Formation of Molecules of Astrobiological Interest in Interstellar Clouds and Protostellar Disks

Sandford, S. A., Nuevo, M., Bera, P. P., & Lee, T. J. (2020). Prebiotic Astrochemistry and the Formation of Molecules of Astrobiological Interest in Interstellar Clouds and Protostellar Disks. Chemical Reviews, 120(11), 4616–4659. doi:10.1021/acs.chemrev.9b00560

Chemical Origins of Life: Its Engagement with Society

Krishnamurthy, R. (2020). Chemical Origins of Life: Its Engagement with Society. Trends in Chemistry. doi:10.1016/j.trechm.2020.02.011

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