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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June 2020Bioenergetic characterization of a shallow-sea hydrothermal vent system: Milos Island, Greece

Lu, G-S., LaRowe, D. E., Fike, D. A., Druschel, G. K., Gilhooly, W. P., Price, R. E., & Amend, J. P. (2020). Bioenergetic characterization of a shallow-sea hydrothermal vent system: Milos Island, Greece. PLOS ONE, 15(6), e0234175. doi:10.1371/journal.pone.0234175

Evidence for a Past Martian Ring from the Orbital Inclination of Deimos

Ćuk, M., Minton, D. A., Pouplin, J. L. L., & Wishard, C. (2020). Evidence for a Past Martian Ring from the Orbital Inclination of Deimos. The Astrophysical Journal, 896(2), L28. doi:10.3847/2041-8213/ab974f

Phylum‐level diversity of the microbiome of the extremophilic basidiomycete fungus Pisolithus arhizus (Scop.) Rauschert: An island of biodiversity in a thermal soil desert

Cullings, K., Stott, M. B., Marinkovich, N., DeSimone, J., & Bhardwaj, S. (2020). Phylum‐level diversity of the microbiome of the extremophilic basidiomycete fungus Pisolithus arhizus (Scop.) Rauschert: An island of biodiversity in a thermal soil desert. MicrobiologyOpen. doi:10.1002/mbo3.1062

May 202016S rRNA Gene Diversity in the Salt Crust of Salar de Uyuni, Bolivia, the World’s Largest Salt Flat

Pecher, W. T., Martínez, F. L., DasSarma, P., Guzmán, D., & DasSarma, S. (2020). 16S rRNA Gene Diversity in the Salt Crust of Salar de Uyuni, Bolivia, the World’s Largest Salt Flat. Microbiology Resource Announcements, 9(21), None. doi:10.1128/mra.00374-20

Root of the Tree: The Significance, Evolution, and Origins of the Ribosome

Bowman, J. C., Petrov, A. S., Frenkel-Pinter, M., Penev, P. I., & Williams, L. D. (2020). Root of the Tree: The Significance, Evolution, and Origins of the Ribosome. Chemical Reviews, 120(11), 4848–4878. doi:10.1021/acs.chemrev.9b00742

Mineralogy and density of Archean volcanic crust in the mantle transition zone

Ko, B., Prakapenka, V., Kunz, M., Prescher, C., Leinenweber, K., & Shim, S-H. (2020). Mineralogy and density of Archean volcanic crust in the mantle transition zone. Physics of the Earth and Planetary Interiors, None, 106490. doi:10.1016/j.pepi.2020.106490

The Prebiotic Provenance of Semi-Aqueous Solvents

Lago, J. L., Burcar, B. T., Hud, N. V., Febrian, R., Mehta, C., Bracher, P. J., … Pasek, M. A. (2020). The Prebiotic Provenance of Semi-Aqueous Solvents. Origins of Life and Evolution of Biospheres. doi:10.1007/s11084-020-09595-9

Prebiotic Syntheses of Noncanonical Nucleosides and Nucleotides

Fialho, D. M., Roche, T. P., & Hud, N. V. (2020). Prebiotic Syntheses of Noncanonical Nucleosides and Nucleotides. Chemical Reviews, 120(11), 4806–4830. doi:10.1021/acs.chemrev.0c00069

A coupled carbon-silicon cycle model over Earth history: Reverse weathering as a possible explanation of a warm mid-Proterozoic climate

Krissansen-Totton, J., & Catling, D. C. (2020). A coupled carbon-silicon cycle model over Earth history: Reverse weathering as a possible explanation of a warm mid-Proterozoic climate. Earth and Planetary Science Letters, 537, 116181. doi:10.1016/j.epsl.2020.116181

The Hypopiezotolerant Bacterium, Serratia liquefaciens, Failed to Grow in Mars Analog Soils under Simulated Martian Conditions at 7 hPa

Schuerger, A. C., Mickol, R. L., & Schwendner, P. (2020). The Hypopiezotolerant Bacterium, Serratia liquefaciens, Failed to Grow in Mars Analog Soils under Simulated Martian Conditions at 7 hPa. Life, 10(6), 77. doi:10.3390/life10060077

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