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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May 2019Diversified local CRISPR-Cas immunity to viruses of Sulfolobus islandicus

Pauly, M. D., Bautista, M. A., Black, J. A., & Whitaker, R. J. (2019). Diversified local CRISPR-Cas immunity to viruses of Sulfolobus islandicus. Philosophical Transactions of the Royal Society B: Biological Sciences, 374(1772), 20180093. doi:10.1098/rstb.2018.0093

The B-star Exoplanet Abundance Study: A co-moving 16-25 Mjup companion to the young binary system HIP 79098

Janson, M., Asensio-Torres, R., André, D., Bonnefoy, M., Delorme, P., & , . (2019). The B-star Exoplanet Abundance Study: A co-moving 16-25 Mjup companion to the young binary system HIP 79098. Astronomy & Astrophysics. doi:10.1051/0004-6361/201935687

Genome Sequence and Methylation Patterns of Halorubrum sp. Strain BOL3-1, the First Haloarchaeon Isolated and Cultured from Salar de Uyuni, Bolivia

DasSarma, P., Anton, B. P., DasSarma, S., Laye, V. J., Guzman, D., Roberts, R. J., & DasSarma, S. (2019). Genome Sequence and Methylation Patterns of Halorubrum sp. Strain BOL3-1, the First Haloarchaeon Isolated and Cultured from Salar de Uyuni, Bolivia. Microbiology Resource Announcements, 8(19), None. doi:10.1128/mra.00386-19

Energy Dissipation in Large Collisions—No Change in Planet Formation Outcomes

Deienno, R., Walsh, K. J., Kretke, K. A., & Levison, H. F. (2019). Energy Dissipation in Large Collisions—No Change in Planet Formation Outcomes. The Astrophysical Journal, 876(2), 103. doi:10.3847/1538-4357/ab16e1

Moving Beyond Definitions in the Search for Extraterrestrial Life

Cleland, C. E. (2019). Moving Beyond Definitions in the Search for Extraterrestrial Life. Astrobiology. doi:10.1089/ast.2018.1980

What makes a planet habitable?

Shahar, A., Driscoll, P., Weinberger, A., & Cody, G. (2019). What makes a planet habitable? Science, 364(6439), 434–435. doi:10.1126/science.aaw4326

A problematic animal fossil from the early Cambrian Hetang Formation, South China

Tang, Q., Hu, J., Xie, G., Yuan, X., Wan, B., Zhou, C., … Xiao, S. (2019). A problematic animal fossil from the early Cambrian Hetang Formation, South China. Journal of Paleontology, None, 1–11. doi:10.1017/jpa.2019.26

The tidal parameters of TRAPPIST-1 b and c

Brasser, R., Barr, A. C., & Dobos, V. (2019). The tidal parameters of TRAPPIST-1 b and c. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/stz1231

April 2019A role for phosphorus redox in emerging and modern biochemistry

Pasek, M. (2019). A role for phosphorus redox in emerging and modern biochemistry. Current Opinion in Chemical Biology, 49, 53–58. doi:10.1016/j.cbpa.2018.09.018

Ferrous oxide-rich asteroid achondrites

Day, J. M. D., Corder, C. A., Assayag, N., & Cartigny, P. (2019). Ferrous oxide-rich asteroid achondrites. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2019.04.005

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