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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November 2022Aqueous alteration processes in Jezero crater, Mars−implications for organic geochemistry

Scheller, E. L., Hollis, J. R., Cardarelli, E. L., Steele, A., Beegle, L. W., Bhartia, R., … Zorzano, M-P. (2022). Aqueous alteration processes in Jezero crater, Mars−implications for organic geochemistry. Science. doi:10.1126/science.abo5204

Photochemistry in Hot H2-dominated Exoplanet Atmospheres

Fleury, B., Gudipati, M.S., Henderson, B.L., & Swain, M. (2022). Photochemistry in Hot H2-dominated Exoplanet Atmospheres. The Astrophysical Journal, 871, 2. doi: 10.3847/1538-4357/aaf79f

Biological Oxidation of Fe(II)-Bearing Smectite by Microaerophilic Iron Oxidizer Sideroxydans lithotrophicus Using Dual Mto and Cyc2 Iron Oxidation Pathways

Gawronska, A. J., McLeod, C. L., Blumenfeld, E. H., Hanna, R. D., & Zeigler, R. A. (2022). New interpretations of lunar mare basalt flow emplacement from XCT analysis of Apollo samples. Icarus, 388, 115216. doi:10.1016/j.icarus.2022.115216 Zhou, N. , Kupper, R.J., Catalano, J.G., Thompson, A., Chan, C.S. (2022). Biological Oxidation of Fe(II)-Bearing Smectite by Microaerophilic Iron Oxidizer Sideroxydans lithotrophicus Using Dual Mto and Cyc2 Iron Oxidation Pathways. Environmental Science & Technology, 10.1021/acs.est.2c05142

Ryugu’s nucleosynthetic heritage from the outskirts of the Solar System

Hopp, T., Dauphas, N., Abe, Y., AléOn, J., O’D. Alexander, C. M., Amari, S., … Yurimoto, H. (2022). Ryugu’s nucleosynthetic heritage from the outskirts of the Solar System. Science Advances, 8(46), None. doi:10.1126/sciadv.add8141

Accreting protoplanets: Spectral signatures and magnitude of gas and dust extinction at H α

Marleau, G.-D. , Aoyama, Y., Kuiper, R., Follette, K., Turner, N. J., Cugno, G., Manara, C. F., Haffert, S. Y., Kitzmann, D., Ringqvist, S. C., Wagner, K. R., van Boekel, R., Sallum, S., Janson, M., Schmidt, T. O. B., Venuti, L., Lovis, Ch., & Mordasini, C. (2022). Accreting protoplanets: Spectral signatures and magnitude of gas and dust extinction at H α. Astronomy & Astrophysics, 657, A38. doi: 10.1051/0004-6361/202037494

Exploiting Unary Relations with Stacked Learning for Relation Extraction

Zhuang, Y., Riloff, E., Wagstaff, K., Francis, R., Golombek, M., Tamppari, L. (2022). Exploiting Unary Relations with Stacked Learning for Relation Extraction. Proceedings of the Third Workshop on Scholarly Document Processing, 126–137.

October 2022Experimental serpentinization of iron-rich olivine (hortonolite): Implications for hydrogen generation and secondary mineralization on Mars and icy moons

McCollom, T. M., Klein, F., Moskowitz, B., & Solheid, P. (2022). Experimental serpentinization of iron-rich olivine (hortonolite): Implications for hydrogen generation and secondary mineralization on Mars and icy moons. Geochimica et Cosmochimica Acta, 335, 98–110. doi:10.1016/j.gca.2022.08.025

Alternative Methylated Biosignatures. I. Methyl Bromide, a Capstone Biosignature

Leung, M., Schwieterman, E. W., Parenteau, M. N., & Fauchez, T. J. (2022). Alternative Methylated Biosignatures. I. Methyl Bromide, a Capstone Biosignature. The Astrophysical Journal, 938(1), 6. doi:10.3847/1538-4357/ac8799

Early Mars habitability and global cooling by H2-based methanogens

Sauterey, B., Charnay, B., Affholder, A., Mazevet, S., & Ferrière, R. (2022). Early Mars habitability and global cooling by H2-based methanogens. Nature Astronomy. doi:10.1038/s41550-022-01786-w

A Mirage or an Oasis? Water Vapor in the Atmosphere of the Warm Neptune TOI-674 b

Brande, J., Crossfield, I. J. M., Kreidberg, L., Oklopčić, A., Polanski, A. S., Barman, T., … Morley, C. V. (2022). A Mirage or an Oasis? Water Vapor in the Atmosphere of the Warm Neptune TOI-674 b. The Astronomical Journal, 164(5), 197. doi:10.3847/1538-3881/ac8b7e

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