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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January 2021Quantification of endospores in ancient permafrost using time-resolved terbium luminescence

Lalla, S. J., Kaneshige, K. R., Miller, D. R., Mackelprang, R., & Mogul, R. (2021). Quantification of endospores in ancient permafrost using time-resolved terbium luminescence. Analytical Biochemistry, 612, 113957. doi:10.1016/j.ab.2020.113957

November 2020A new hydrous iron oxide phase stable at mid-mantle pressures

Chen, H., Xie, S-Y., Ko, B., Kim, T., Nisr, C., Prakapenka, V., … Shim, S-H. (2020). A new hydrous iron oxide phase stable at mid-mantle pressures. Earth and Planetary Science Letters, 550, 116551. doi:10.1016/j.epsl.2020.116551

An assessment of iron isotope fractionation during core formation

Shahar, A., & Young, E. D. (2020). An assessment of iron isotope fractionation during core formation. Chemical Geology, 554, 119800. doi:10.1016/j.chemgeo.2020.119800

October 2020Absolute dating of the L-chondrite parent body breakup with high-precision U–Pb zircon geochronology from Ordovician limestone

Liao, S., Huyskens, M. H., Yin, Q-Z., & Schmitz, B. (2020). Absolute dating of the L-chondrite parent body breakup with high-precision U–Pb zircon geochronology from Ordovician limestone. Earth and Planetary Science Letters, 547, 116442. doi:10.1016/j.epsl.2020.116442

Early diagenesis of organic-rich marls under shifting suboxic to euxinic conditions: The lower Toarcian of the Bächental basin

Neumeister, S., Misch, D., Algeo, T. J., Gawlick, H-J., Gratzer, R., & Sachsenhofer, R. F. (2020). Early diagenesis of organic-rich marls under shifting suboxic to euxinic conditions: The lower Toarcian of the Bächental basin. Marine and Petroleum Geology, 120, 104513. doi:10.1016/j.marpetgeo.2020.104513

A modular, easy-to-use microcapillary electrophoresis system with laser-induced fluorescence for quantitative compositional analysis of trace organic molecules

Duca, Z. A., Speller, N. C., Cantrell, T., & Stockton, A. M. (2020). A modular, easy-to-use microcapillary electrophoresis system with laser-induced fluorescence for quantitative compositional analysis of trace organic molecules. Review of Scientific Instruments, 91(10), 104101. doi:10.1063/5.0008734

Stress-activated electric currents in icy planetary bodies: H2O2-doped H2O ices

Freund, F., Sornette, J., Stockburger, C., Keller, C. T., Gray, A., & Cruikshank, D. P. (2020). Stress-activated electric currents in icy planetary bodies: H2O2-doped H2O ices. Icarus, None, 114157. doi:10.1016/j.icarus.2020.114157

16S rRNA Gene Diversity in Ancient Gray and Pink Salt from San Simón Salt Mines in Tarija, Bolivia

Pecher, W. T., Martínez, F. L., DasSarma, P., Guzmán, D., & DasSarma, S. (2020). 16S rRNA Gene Diversity in Ancient Gray and Pink Salt from San Simón Salt Mines in Tarija, Bolivia. Microbiology Resource Announcements, 9(41), None. doi:10.1128/mra.00820-20

September 2020Could the Migration of Jupiter Have Accelerated the Atmospheric Evolution of Venus?

Kane, S. R., Vervoort, P., Horner, J., & Pozuelos, F. J. (2020). Could the Migration of Jupiter Have Accelerated the Atmospheric Evolution of Venus? The Planetary Science Journal, 1(2), 42. doi:10.3847/psj/abae63

Characterization of Spacesuit Associated Microbial Communities and Their Implications for NASA Missions

Danko, D., Mohan, G. B. M., Sierra, M. A., Rucker, M., Singh, N., Regberg, A., … Venkateswaran, K. (2020). Characterization of Spacesuit Associated Microbial Communities and Their Implications for NASA Missions. None. doi:10.21203/rs.3.rs-70768/v1

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