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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December 2019Are Inner Disc Misalignments Common? ALMA Reveals an Isotropic Outer Disc Inclination Distribution for Young Dipper Stars

Ansdell, M., Gaidos, E., Hedges, C., Tazzari, M., Kraus, A. L., Wyatt, M. C., … Rizzuto, A. C. (2019). Are Inner Disc Misalignments Common? ALMA Reveals an Isotropic Outer Disc Inclination Distribution for Young Dipper Stars. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/stz3361

Reversible Transformation of a Supramolecular Hydrogel by Redox Switching of Methylene Blue—A Noncovalent Chain Stopper

Karunakaran, S. C., Cafferty, B. J., Jain, K. S., Schuster, G. B., & Hud, N. V. (2019). Reversible Transformation of a Supramolecular Hydrogel by Redox Switching of Methylene Blue—A Noncovalent Chain Stopper. ACS Omega. doi:10.1021/acsomega.9b02785

The Oligomerization of Glucose Under Plausible Prebiotic Conditions

Li, Z., Li, L., McKenna, K. R., Schmidt, M., Pollet, P., Gelbaum, L., … Liotta, C. L. (2019). The Oligomerization of Glucose Under Plausible Prebiotic Conditions. Origins of Life and Evolution of Biospheres. doi:10.1007/s11084-019-09588-3

Subglacial meltwater supported aerobic marine habitats during Snowball Earth

Lechte, M. A., Wallace, M. W., Hood, A. v. S., Li, W., Jiang, G., Halverson, G. P., … Planavsky, N. J. (2019). Subglacial meltwater supported aerobic marine habitats during Snowball Earth. Proceedings of the National Academy of Sciences, None, 201909165. doi:10.1073/pnas.1909165116

November 2019Helium, inorganic and organic carbon isotopes of fluids and gases across the Costa Rica convergent margin

Barry, P. H., Nakagawa, M., Giovannelli, D., Maarten De Moor, J., Schrenk, M., Seltzer, A. M., … Lloyd, K. G. (2019). Helium, inorganic and organic carbon isotopes of fluids and gases across the Costa Rica convergent margin. Scientific Data, 6(1), None. doi:10.1038/s41597-019-0302-4

Sources of C30 steroid biomarkers in Neoproterozoic–Cambrian rocks and oils

Love, G. D., Zumberge, J. A., Cárdenas, P., Sperling, E. A., Rohrssen, M., Grosjean, E., … Summons, R. E. (2019). Sources of C30 steroid biomarkers in Neoproterozoic–Cambrian rocks and oils. Nature Ecology & Evolution. doi:10.1038/s41559-019-1048-2

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. (2019). The Effect of Bacterial Sulfate Reduction Inhibition on the Production and Stable Isotopic Composition of Methane in Hypersaline Environments. Aquatic Geochemistry, 25(5-6), 237–251. doi:10.1007/s10498-019-09362-x

Hunter-Gatherers Harvested and Heated Microbial Biogenic Iron Oxides to Produce Rock Art Pigment

MacDonald, B. L., Stalla, D., He, X., Rahemtulla, F., Emerson, D., Dube, P. A., … White, T. A. (2019). Hunter-Gatherers Harvested and Heated Microbial Biogenic Iron Oxides to Produce Rock Art Pigment. Scientific Reports, 9(1), None. doi:10.1038/s41598-019-53564-w

A global geomorphologic map of Saturn’s moon Titan

Lopes, R. M. C., Malaska, M. J., Schoenfeld, A. M., Solomonidou, A., Birch, S. P. D., Florence, M., … Wall, S. D. (2019). A global geomorphologic map of Saturn’s moon Titan. Nature Astronomy. doi:10.1038/s41550-019-0917-6

Theoretical study of formate, tartrate, tartronate, and glycolate production from 6-carbon trioxylate intermediate in the citric acid cycle

Khan, M., Kar, S., Wang, J., & Leszczynski, J. (2019). Theoretical study of formate, tartrate, tartronate, and glycolate production from 6-carbon trioxylate intermediate in the citric acid cycle. Journal of Molecular Modeling, 25(12), None. doi:10.1007/s00894-019-4240-z

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