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 2019Updating Planetary Protection Considerations and Policies for Mars Sample Return

Uhran, B., Conley, C., & Andy Spry, J. (2019). Updating Planetary Protection Considerations and Policies for Mars Sample Return. Space Policy. doi:10.1016/j.spacepol.2019.04.001

Systems Analysis for Peptide Systems Chemistry

Grover, M. A., Hsieh, M-C., & Lynn, D. G. (2019). Systems Analysis for Peptide Systems Chemistry. Life, 9(3), 55. doi:10.3390/life9030055

Crustal fracturing, unconformities, and barite deposition, 3.26–3.23 Ga, Barberton Greenstone Belt, South Africa

Lowe, D. R., Drabon, N., & Byerly, G. R. (2019). Crustal fracturing, unconformities, and barite deposition, 3.26–3.23 Ga, Barberton Greenstone Belt, South Africa. Precambrian Research, 327, 34–46. doi:10.1016/j.precamres.2019.02.024

Quantitative Analysis of Glycine Oligomerization by Ion-Pair Chromatography

Campbell, T. D., Febrian, R., Kleinschmidt, H. E., Smith, K. A., & Bracher, P. J. (2019). Quantitative Analysis of Glycine Oligomerization by Ion-Pair Chromatography. ACS Omega, 4(7), 12745–12752. doi:10.1021/acsomega.9b01492

Carbon isotopic composition of lipid biomarkers from an endoevaporitic gypsum crust microbial mat reveals cycling of mineralized organic carbon

Jahnke, L. L., & Des Marais, D. J. (2019). Carbon isotopic composition of lipid biomarkers from an endoevaporitic gypsum crust microbial mat reveals cycling of mineralized organic carbon. Geobiology. doi:10.1111/gbi.12355

Modeling a Carrington-scale Stellar Superflare and Coronal Mass Ejection from ${\kappa }^{1}{Cet}$

Lynch, B. J., Airapetian, V. S., DeVore, C. R., Kazachenko, M. D., Lüftinger, T., Kochukhov, O., … Abbett, W. P. (2019). Modeling a Carrington-scale Stellar Superflare and Coronal Mass Ejection from ${\kappa }^{1}{Cet}$. The Astrophysical Journal, 880(2), 97. doi:10.3847/1538-4357/ab287e

Extracellular superoxide production by key microbes in the global ocean

Sutherland, K. M., Coe, A., Gast, R. J., Plummer, S., Suffridge, C. P., Diaz, J. M., … Hansel, C. M. (2019). Extracellular superoxide production by key microbes in the global ocean. Limnology and Oceanography. doi:10.1002/lno.11247

Global marine redox changes drove the rise and fall of the Ediacara biota

Zhang, F., Xiao, S., Romaniello, S. J., Hardisty, D., Li, C., Melezhik, V., … Anbar, A. D. (2019). Global marine redox changes drove the rise and fall of the Ediacara biota. Geobiology. doi:10.1111/gbi.12359

Reconstructing the late-accretion history of the Moon

Zhu, M-H., Artemieva, N., Morbidelli, A., Yin, Q-Z., Becker, H., & Wünnemann, K. (2019). Reconstructing the late-accretion history of the Moon. Nature, 571(7764), 226–229. doi:10.1038/s41586-019-1359-0

June 2019Sedimentology and chemostratigraphy of the terminal Ediacaran Dengying Formation at the Gaojiashan section, South China

Cui, H., Xiao, S., Cai, Y., Peek, S., Plummer, R. E., & Kaufman, A. J. (2019). Sedimentology and chemostratigraphy of the terminal Ediacaran Dengying Formation at the Gaojiashan section, South China. Geological Magazine, None, 1–25. doi:10.1017/s0016756819000293

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