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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July 2020Comparison of multiple factors that impact the efficiency of non‐enzymatic DNA ligation: Key parameters for maximizing ligation rates and yields with carbodiimide activation

Obianyor, C., Newnam, G., Clifton, B., Grover, M., & Hud, N. V. (2020). Comparison of multiple factors that impact the efficiency of non‐enzymatic DNA ligation: Key parameters for maximizing ligation rates and yields with carbodiimide activation. ChemBioChem. doi:10.1002/cbic.202000335

Stromatolites, Biosignatures, and Astrobiological Implications

Foster, J. S., Babilonia, J., Parke-Suosaari, E., & Pamela Reid, R. (2020). Stromatolites, Biosignatures, and Astrobiological Implications. Cuatro Ciénegas Basin: An Endangered Hyperdiverse Oasis, None, 89–105. doi:10.1007/978-3-030-46087-7_4

Correction to: The Effect of Bacterial Sulfate Reduction Inhibition on the Production and Stable Isotopic Composition of Methane in Hypersaline Environments

Kelley, C. A., Bebout, B. M., Chanton, J. P., Detweiler, A. M., Frisbee, A., Nicholson, B. E., … Winkler, C. (2020). Correction to: The Effect of Bacterial Sulfate Reduction Inhibition on the Production and Stable Isotopic Composition of Methane in Hypersaline Environments. Aquatic Geochemistry. doi:10.1007/s10498-020-09381-z

Lipid Biomarker Record of the Serpentinite-Hosted Ecosystem of the Samail Ophiolite, Oman and Implications for the Search for Biosignatures on Mars

Newman, S. A., Lincoln, S. A., O'Reilly, S., Liu, X., Shock, E. L., Kelemen, P. B., & Summons, R. E. (2020). Lipid Biomarker Record of the Serpentinite-Hosted Ecosystem of the Samail Ophiolite, Oman and Implications for the Search for Biosignatures on Mars. Astrobiology, 20(7), 830–845. doi:10.1089/ast.2019.2066

Bacterial chemolithoautotrophy via manganese oxidation

Yu, H., & Leadbetter, J. R. (2020). Bacterial chemolithoautotrophy via manganese oxidation. Nature, 583(7816), 453–458. doi:10.1038/s41586-020-2468-5

Widespread poly-metamorphosed Archean granitoid gneisses and supracrustal enclaves of the southern Inukjuak Domain, Québec (Canada)

Greer, J., Caro, G., Cates, N. L., Tropper, P., Bleeker, W., Kelly, N. M., & Mojzsis, S. J. (2020). Widespread poly-metamorphosed Archean granitoid gneisses and supracrustal enclaves of the southern Inukjuak Domain, Québec (Canada). Lithos, 364-365, 105520. doi:10.1016/j.lithos.2020.105520

Availability of previously lost data and metadata from the Apollo Lunar Surface Experiments Package (ALSEP)

Nagihara, S., Williams, D. R., Nakamura, Y., Kiefer, W. S., McLaughlin, S. A., & Taylor, P. T. (2020). Availability of previously lost data and metadata from the Apollo Lunar Surface Experiments Package (ALSEP). Planetary and Space Science, None, 105039. doi:10.1016/j.pss.2020.105039

June 2020New implications for the origin of the IAB main group iron meteorites and the isotopic evolution of the noncarbonaceous (NC) reservoir

Hilton, C. D., & Walker, R. J. (2020). New implications for the origin of the IAB main group iron meteorites and the isotopic evolution of the noncarbonaceous (NC) reservoir. Earth and Planetary Science Letters, 540, 116248. doi:10.1016/j.epsl.2020.116248

Mutually stabilizing interactions between proto-peptides and RNA

Frenkel-Pinter, M., Haynes, J. W., Mohyeldin, A. M., C, M., Sargon, A. B., Petrov, A. S., … Leman, L. J. (2020). Mutually stabilizing interactions between proto-peptides and RNA. Nature Communications, 11(1), None. doi:10.1038/s41467-020-16891-5

The root of anomalously specular reflections from solid surfaces on Saturn’s moon Titan

Hofgartner, J. D., Hayes, A. G., Campbell, D. B., Lunine, J. I., Black, G. J., MacKenzie, S. M., … Wall, S. D. (2020). The root of anomalously specular reflections from solid surfaces on Saturn’s moon Titan. Nature Communications, 11(1), None. doi:10.1038/s41467-020-16663-1

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