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 2021Windblown Hadean zircons derived by erosion of impact-generated 3.3 Ga uplifts, Barberton Greenstone Belt, South Africa

Lowe, D. R., Drabon, N., Byerly, G. R., & Byerly, B. L. (2021). Windblown Hadean zircons derived by erosion of impact-generated 3.3 Ga uplifts, Barberton Greenstone Belt, South Africa. Precambrian Research, 356, 106111. doi:10.1016/j.precamres.2021.106111

April 2021Preliminary exploration of molybdenum isotope fractionation during coprecipitation of molybdate with abiotic and microbial calcite

Chen, X., Romaniello, S. J., & Anbar, A. D. (2021). Preliminary exploration of molybdenum isotope fractionation during coprecipitation of molybdate with abiotic and microbial calcite. Chemical Geology, 566, 120102. doi:10.1016/j.chemgeo.2021.120102

February 2021An Improved Hertzsprung–Russell Diagram for the Orion Trapezium Cluster

Fang, M., Kim, J. S., Pascucci, I., & Apai, D. (2021). An Improved Hertzsprung–Russell Diagram for the Orion Trapezium Cluster. The Astrophysical Journal, 908(1), 49. doi:10.3847/1538-4357/abcec8

Comparison of the Murchison CM2 and Allende CV3 chondrites

Fendrich, K. V., & Ebel, D. S. (2021). Comparison of the Murchison CM2 and Allende CV3 chondrites. Meteoritics & Planetary Science. doi:10.1111/maps.13623

Cultivation and characterization of snowbound microorganisms from the South Pole

Hayward, M. K., Dewey, E. D., Shaffer, K. N., Huntington, A. M., Burchell, B. M., Stokes, L. M., … Matthew Sattley, W. (2021). Cultivation and characterization of snowbound microorganisms from the South Pole. Extremophiles. doi:10.1007/s00792-021-01218-z

The Beta Pictoris b Hill Sphere transit campaign. I. Photometric limits to dust and rings

Kenworthy, M., Mellon, S., Bailey, J. I., , I. I. I., Stuik, R., Dorval, P., … , . (2021). The Beta Pictoris b Hill Sphere transit campaign. I. Photometric limits to dust and rings. Astronomy & Astrophysics. doi:10.1051/0004-6361/202040060

Testing Short-term Variability and Sampling of Primary Volatiles in Comet 46P/Wirtanen

Khan, Y., Gibb, E. L., Bonev, B. P., Roth, N. X., Saki, M., DiSanti, M. A., … Protopapa, S. (2021). Testing Short-term Variability and Sampling of Primary Volatiles in Comet 46P/Wirtanen. The Planetary Science Journal, 2(1), 20. doi:10.3847/psj/abc95c

Adaptation reduces competitive dominance and alters community assembly

Nadeau, C. P., Farkas, T. E., Makkay, A. M., Papke, R. T., & Urban, M. C. (2021). Adaptation reduces competitive dominance and alters community assembly. Proceedings of the Royal Society B: Biological Sciences, 288(1945), 20203133. doi:10.1098/rspb.2020.3133

Imaging low-mass planets within the habitable zone of α Centauri

Wagner, K., Boehle, A., Pathak, P., Kasper, M., Arsenault, R., Jakob, G., … De Zeeuw, T. (2021). Imaging low-mass planets within the habitable zone of α Centauri. Nature Communications, 12(1), None. doi:10.1038/s41467-021-21176-6

Open questions in understanding life’s origins

Butch, C. J., Meringer, M., Gagnon, J-S., & James Cleaves, H. (2021). Open questions in understanding life’s origins. Communications Chemistry, 4(1), None. doi:10.1038/s42004-021-00448-8

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