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 2023Species of Dickinsonia Sprigg from the Ediacaran of South Australia

Evans, S.G., Hunt, G., Gehling, J.G., Sperling, E.A., Droser, M.L. (2023) Species of Dickinsonia Sprigg from the Ediacaran of South Australia. Palaeontology, 1. doi: 10.1111/pala.12635

EDEN Survey: Small Transiting Planet Detection Limits and Constraints on the Occurrence Rates of Planets around Late-M Dwarfs within 15 pc

Jeremy Dietrich, Dániel Apai1, Martin Schlecker, Kevin K. Hardegree-Ullman, Benjamin V. Rackham, Nicolas Kurtovic, Karan Molaverdikhani, Paul Gabor, Thomas Henning, Wen-Ping Chen, Luigi Mancini, Alex Bixel, Aidan Gibbs, Richard P. Boyle, Samantha Brown-Sevilla, Remo Burn, Timmy N. Delage, Lizxandra Flores-Rivera, Riccardo Franceschi, Gabriele Pichierri, Sofia Savvidou, Jonas Syed, Ivan Bruni, Wing-Huen Ip, Chow-Choong Ngeow, An-Li Tsai, Chia-Lung Lin, Wei-Jie Hou, Hsiang-Yao Hsiao, Chi-Sheng Lin, Hung-Chin Lin, Ritvik Basant, and Project EDEN (2023) EDEN Survey: Small Transiting Planet Detection Limits and Constraints on the Occurrence Rates of Planets around Late-M Dwarfs within 15 pc. The Astronomical Journal. DOI: 10.3847/1538-3881/acba0b

Oxygen fugacity buffering in high-pressure solid media assemblies from IW-6.5 to IW+4.5 and application to the V K-edge oxybarometer

Righter, K., Butterworth, A.L., Gainsforth, K., Jilly-Rehak, C.E., Roychoudhury, S., Iacovino, K., Rowland, R., Erickson, T.M., Pando, K., Ross, D.K., Prendergast, D., Westphal, A.J. (2023) Oxygen fugacity buffering in high-pressure solid media assemblies from IW-6.5 to IW+4.5 and application to the V K-edge oxybarometer. American Mineralogist. DOI: 10.2138/am-2022-8301

Constraints on the Size and Composition of the Ancient Martian Atmosphere from Coupled CO2–N2–Ar Isotopic Evolution Models

Thomas, T.B.,2, Hu, R., Lo, D.Y. (2023) Constraints on the Size and Composition of the Ancient Martian Atmosphere from Coupled CO2–N2–Ar Isotopic Evolution Models. The Planetary Science Journal, 4(3). doi: 10.3847/PSJ/acb924

Design of a minimal di-nickel hydrogenase peptide

Timm, J., Pike, D.H., Mancini, J.A., Tyryshkin, A.M., Poudel, S., Siess, J.A., Molinaro, P.M., McCann, J.J., Waldie, K.M., Koder, R.L., Falkowski, P.G., Nanda, V. (2023) Design of a minimal di-nickel hydrogenase peptide. Science Advances. DOI: 10.1126/sciadv.abq1990

40Ar/39Ar ages of L4, H5, EL6, and feldspathic ureilitic clasts from the Almahata Sitta polymict ureilite (asteroid 2008 TC3)

Turrin, B.D., Lindsay, F., Delaney, J.S., Park, J., Herzog, G.F., Swisher Jr, C., Goodrich, C.A. (2023) 40Ar/39Ar ages of L4, H5, EL6, and feldspathic ureilitic clasts from the Almahata Sitta polymict ureilite (asteroid 2008 TC3). Meteoritics and Planetary Science. doi: 10.1111/maps.13953

February 2023Huge Variation in H2 Generation During Seawater Alteration of Ultramafic Rocks

Ely, T.D., Jeong, J.M., Canovas, P.A., Shock, E.L. Huge Variation in H2 Generation During Seawater Alteration of Ultramafic Rocks. Geochemistry, Geophysics, Geosystems. DOI: 10.1029/2022GC010658

Nitrogenase resurrection and the evolution of a singular enzymatic mechanism

Garcia, A. K., Harris, D. F., Rivier, A. J., Carruthers, B. M., Pinochet-Barros, A., Seefeldt, L., & Kaçar, B. (2023). Nitrogenase resurrection and the evolution of a singular enzymatic mechanism. eLife, 12, None. doi:10.7554/elife.85003

On the identification of hyperhydrated sodium chloride hydrates, stable at icy moon conditions

Journaux, B., Pakhomova, A., Collings, I. E., Petitgirard, S., Boffa Ballaran, T., Brown, J. M., … Hanfland, M. (2023). On the identification of hyperhydrated sodium chloride hydrates, stable at icy moon conditions. Proceedings of the National Academy of Sciences, 120(9), None. doi:10.1073/pnas.2217125120

Experimental Characterization of the Pyridine:Acetylene Co-crystal and Implications for Titan’s Surface

Czaplinski, E. C., Vu, T. H., Cable, M. L., Choukroun, M., Malaska, M. J., & Hodyss, R. (2023). Experimental Characterization of the Pyridine:Acetylene Co-crystal and Implications for Titan’s Surface. ACS Earth and Space Chemistry, 7(3), 597–608. doi:10.1021/acsearthspacechem.2c00377

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