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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August 2019PAH Products and Processing by Different Energy Sources

Cruz-Diaz, G. A., Erickson, S. E., Silveira, E. F. d., Ricca, A., De Barros, A. L. F., Da Costa, C. A. P., … Mattioda, A. L. (2019). PAH Products and Processing by Different Energy Sources. The Astrophysical Journal, 882(1), 44. doi:10.3847/1538-4357/ab311f

Titanium Isotopic Fractionation in Kilauea Iki Lava Lake Driven by Oxide Crystallization

Johnson, A. C., Aarons, S. M., Dauphas, N., Xike Nie, N., Zeng, H., Helz, R. T., … Anbar, A. D. (2019). Titanium Isotopic Fractionation in Kilauea Iki Lava Lake Driven by Oxide Crystallization. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2019.08.022

Bis(dimethylamino)phosphorodiamidate: A Reagent for the Regioselective Cyclophosphorylation of cis-Diols Enabling One-Step Access to High-Value Target Cyclophosphates

Yadav, M., & Krishnamurthy, R. (2019). Bis(dimethylamino)phosphorodiamidate: A Reagent for the Regioselective Cyclophosphorylation of cis-Diols Enabling One-Step Access to High-Value Target Cyclophosphates. Organic Letters. doi:10.1021/acs.orglett.9b02694

Does the Evolution of Complex Life Depend on the Stellar Spectral Energy Distribution?

Haqq-Misra, J. (2019). Does the Evolution of Complex Life Depend on the Stellar Spectral Energy Distribution? Astrobiology. doi:10.1089/ast.2018.1946

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

Impact of space weather on climate and habitability of terrestrial-type exoplanets

Airapetian, V. S., Barnes, R., Cohen, O., Collinson, G. A., Danchi, W. C., Dong, C. F., … Yamashiki, Y. (2019). Impact of space weather on climate and habitability of terrestrial-type exoplanets. International Journal of Astrobiology, None, 1–59. doi:10.1017/s1473550419000132

A Thousand Earths: A Very Large Aperture, Ultralight Space Telescope Array for Atmospheric Biosignature Surveys

Apai, D., Milster, T. D., Kim, D. W., Bixel, A., Schneider, G., Liang, R., & Arenberg, J. (2019). A Thousand Earths: A Very Large Aperture, Ultralight Space Telescope Array for Atmospheric Biosignature Surveys. The Astronomical Journal, 158(2), 83. doi:10.3847/1538-3881/ab2631

Double-peaked [O i] Profile: A Likely Signature of the Gaseous Ring around KH 15D

Fang, M., Pascucci, I., Kim, J. S., & Edwards, S. (2019). Double-peaked [O i] Profile: A Likely Signature of the Gaseous Ring around KH 15D. The Astrophysical Journal, 879(1), L10. doi:10.3847/2041-8213/ab288d

OSSOS. XV. Probing the Distant Solar System with Observed Scattering TNOs

Kaib, N. A., Pike, R., Lawler, S., Kovalik, M., Brown, C., Alexandersen, M., … Petit, J-M. (2019). OSSOS. XV. Probing the Distant Solar System with Observed Scattering TNOs. The Astronomical Journal, 158(1), 43. doi:10.3847/1538-3881/ab2383

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