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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October 2019The origin of blue coloration in a fulgurite from Marquette, Michigan

Feng, T., Lang, C., & Pasek, M. A. (2019). The origin of blue coloration in a fulgurite from Marquette, Michigan. Lithos, 342-343, 288–294. doi:10.1016/j.lithos.2019.06.003

September 2019Uranium isotope evidence for limited euxinia in mid-Proterozoic oceans

Gilleaudeau, G. J., Romaniello, S. J., Luo, G., Kaufman, A. J., Zhang, F., Klaebe, R. M., … Anbar, A. D. (2019). Uranium isotope evidence for limited euxinia in mid-Proterozoic oceans. Earth and Planetary Science Letters, 521, 150–157. doi:10.1016/j.epsl.2019.06.012

August 2019In situ Ion Irradiation and Heating Experiments in the Transmission Electron Microscope: Simulations of Dust Processing in Circumstellar Environments

Haenecour, P., Thompson, M. S., Zega, T. J., Howe, J. Y., & Chen, W-Y. (2019). In situ Ion Irradiation and Heating Experiments in the Transmission Electron Microscope: Simulations of Dust Processing in Circumstellar Environments. Microscopy and Microanalysis, 25(S2), 2454–2455. doi:10.1017/s143192761901300x

Hidden Concepts in the History and Philosophy of Origins-of-Life Studies: a Workshop Report

Mariscal, C., Barahona, A., Aubert-Kato, N., Aydinoglu, A. U., Bartlett, S., Cárdenas, M. L., … James Cleaves, H. (2019). Hidden Concepts in the History and Philosophy of Origins-of-Life Studies: a Workshop Report. Origins of Life and Evolution of Biospheres. doi:10.1007/s11084-019-09580-x

Constraining the Solar System's Debris Disk with In Situ New Horizons Measurements from the Edgeworth–Kuiper Belt

Poppe, A. R., Lisse, C. M., Piquette, M., Zemcov, M., Horányi, M., James, D., … Stern, S. A. (2019). Constraining the Solar System's Debris Disk with In Situ New Horizons Measurements from the Edgeworth–Kuiper Belt. The Astrophysical Journal, 881(1), L12. doi:10.3847/2041-8213/ab322a

Aberration-Corrected STEM Analysis of Impurities in Cosmic Nanodiamonds and Synthetic Analogs

Stroud, R. M. (2019). Aberration-Corrected STEM Analysis of Impurities in Cosmic Nanodiamonds and Synthetic Analogs. Microscopy and Microanalysis, 25(S2), 1736–1737. doi:10.1017/s1431927619009413

Cosmic dust fluxes in the atmospheres of Earth, Mars, and Venus

Carrillo-Sánchez, J. D., Gómez-Martín, J. C., Bones, D. L., Nesvorný, D., Pokorný, P., Benna, M., … Plane, J. M. C. (2019). Cosmic dust fluxes in the atmospheres of Earth, Mars, and Venus. Icarus, None, 113395. doi:10.1016/j.icarus.2019.113395

July 2019Combined mass-dependent and nucleosynthetic isotope variations in refractory inclusions and their mineral separates to determine their original Fe isotope compositions

Shollenberger, Q. R., Wittke, A., Render, J., Mane, P., Schuth, S., Weyer, S., … Brennecka, G. A. (2019). Combined mass-dependent and nucleosynthetic isotope variations in refractory inclusions and their mineral separates to determine their original Fe isotope compositions. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2019.07.021

Gene Expression Measurement Module (GEMM) for Space Application: Design and Validation

Peyvan, K., Karouia, F., Cooper, J. J., Chamberlain, J., Suciu, D., Slota, M., & Pohorille, A. (2019). Gene Expression Measurement Module (GEMM) for Space Application: Design and Validation. Life Sciences in Space Research. doi:10.1016/j.lssr.2019.07.004

Probing the Geological Source and Biological Fate of Hydrogen in Yellowstone Hot Springs

Lindsay, M. R., Colman, D. R., Amenabar, M. J., Fristad, K. E., Fecteau, K. M., Debes, R. V., … Boyd, E. S. (2019). Probing the Geological Source and Biological Fate of Hydrogen in Yellowstone Hot Springs. Environmental Microbiology. doi:10.1111/1462-2920.14730

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