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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May 2023Comprehensive Study of the Chemical Composition and Spatial Outgassing Behavior of Hyperactive Comet 46P/Wirtanen Using Near-IR Spectroscopy during its Historic 2018 Apparition

Khan, Y., Gibb, E. L., Roth, N. X., DiSanti, M. A., Dello Russo, N., Bonev, B. P., … Shou, Y. (2023). Comprehensive Study of the Chemical Composition and Spatial Outgassing Behavior of Hyperactive Comet 46P/Wirtanen Using Near-IR Spectroscopy during its Historic 2018 Apparition. The Astronomical Journal, 165(6), 231. doi:10.3847/1538-3881/acc074

Reversibility controls on extreme methane clumped isotope signatures from anaerobic oxidation of methane

Liu, J., Harris, R. L., Ash, J. L., Ferry, J. G., Krause, S. J. E., Labidi, J., … Young, E. D. (2023). Reversibility controls on extreme methane clumped isotope signatures from anaerobic oxidation of methane. Geochimica et Cosmochimica Acta, 348, 165–186. doi:10.1016/j.gca.2023.02.022

The CRISM investigation in Mars orbit: Overview, history, and delivered data products

Seelos, F. P., Seelos, K. D., Murchie, S. L., Novak, M. A. M., Hash, C. D., Morgan, M. F., … Wolff, M. J. (2023). The CRISM investigation in Mars orbit: Overview, history, and delivered data products. Icarus, None, 115612. doi:10.1016/j.icarus.2023.115612

An examination of protist diversity in serpentinization-hosted ecosystems of the Samail Ophiolite of Oman

Howells, A. E. G., De Martini, F., Gile, G. H., & Shock, E. L. (2023). An examination of protist diversity in serpentinization-hosted ecosystems of the Samail Ophiolite of Oman. Frontiers in Microbiology, 14, None. doi:10.3389/fmicb.2023.1139333

There's More to Life than O2: Simulating the Detectability of a Range of Molecules for Ground-based, High-resolution Spectroscopy of Transiting Terrestrial Exoplanets

Currie, M. H., Meadows, V. S., & Rasmussen, K. C. (2023). There's More to Life than O2: Simulating the Detectability of a Range of Molecules for Ground-based, High-resolution Spectroscopy of Transiting Terrestrial Exoplanets. The Planetary Science Journal, 4, 83. doi: 10.3847/PSJ/accf86

Carbon isotope fractionation by an ancestral rubisco suggests that biological proxies for CO2 through geologic time should be reevaluated

Wang, R. Z., Nichols, R. J., Liu, A. K., Fischer, W. W. (2023). Carbon isotope fractionation by an ancestral rubisco suggests that biological proxies for CO2 through geologic time should be reevaluated. PNAS, 120 (20), e2300466120. doi:10.1073/pnas.2300466120

April 2023The Bolometric Bond Albedo of Enceladus

Li, L., Guan, L., Li, S., Luu, C., Heng, K., Fry, P. M., … Dyudina, U. (2023). The Bolometric Bond Albedo of Enceladus. Icarus, 394, 115429. doi:10.1016/j.icarus.2023.115429

Replicated life-history patterns and subsurface origins of the bacterial sister phyla Nitrospirota and Nitrospinota

D’Angelo, T., Goordial, J., Lindsay, M. R., McGonigle, J., Booker, A., Moser, D., … Orcutt, B. N. (2023). Replicated life-history patterns and subsurface origins of the bacterial sister phyla Nitrospirota and Nitrospinota. The ISME Journal, 17(6), 891–902. doi:10.1038/s41396-023-01397-x

Comparisons of the core and mantle compositions of earth analogs from different terrestrial planet formation scenarios

Gu, J. T., Fischer, R. A., Brennan, M. C., Clement, M. S., Jacobson, S. A., Kaib, N. A., … Raymond, S. N. (2023). Comparisons of the core and mantle compositions of earth analogs from different terrestrial planet formation scenarios. Icarus, 394, 115425. doi:10.1016/j.icarus.2023.115425

Earth shaped by primordial H2 atmospheres

Young, E. D., Shahar, A., & Schlichting, H. E. (2023). Earth shaped by primordial H2 atmospheres. Nature, 616(7956), 306–311. doi:10.1038/s41586-023-05823-0

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