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 IcarusCycles 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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March 2021Tracing a modern biosphere on Mars

Cabrol, N. A. (2021). Tracing a modern biosphere on Mars. Nature Astronomy, 5(3), 210–212. doi:10.1038/s41550-021-01327-x

Enzyme-Specific Coupling of Oxygen and Nitrogen Isotope Fractionation of the Nap and Nar Nitrate Reductases

Asamoto, C. K., Rempfert, K. R., Luu, V. H., Younkin, A. D., & Kopf, S. H. (2021). Enzyme-Specific Coupling of Oxygen and Nitrogen Isotope Fractionation of the Nap and Nar Nitrate Reductases. Environmental Science & Technology. doi:10.1021/acs.est.0c07816

Hydrogen isotopic exchange kinetics between organic matter and water: Implications for chemical evolution during meteorite parent body processing

Kebukawa, Y., Kobayashi, S., Kawasaki, N., Wang, Y., Yurimoto, H., & Cody, G. D. (2021). Hydrogen isotopic exchange kinetics between organic matter and water: Implications for chemical evolution during meteorite parent body processing. Meteoritics & Planetary Science. doi:10.1111/maps.13629

Organic matter and water from asteroid Itokawa

Chan, Q. H. S., Stephant, A., Franchi, I. A., Zhao, X., Brunetto, R., Kebukawa, Y., … Grady, M. M. (2021). Organic matter and water from asteroid Itokawa. Scientific Reports, 11(1), None. doi:10.1038/s41598-021-84517-x

The future lifespan of Earth’s oxygenated atmosphere

Ozaki, K., & Reinhard, C. T. (2021). The future lifespan of Earth’s oxygenated atmosphere. Nature Geoscience, 14(3), 138–142. doi:10.1038/s41561-021-00693-5

A 200-million-year delay in permanent atmospheric oxygenation

Poulton, S. W., Bekker, A., Cumming, V. M., Zerkle, A. L., Canfield, D. E., & Johnston, D. T. (2021). A 200-million-year delay in permanent atmospheric oxygenation. Nature. doi:10.1038/s41586-021-03393-7

February 2021MARSBOx: Fungal and Bacterial Endurance From a Balloon-Flown Analog Mission in the Stratosphere

Cortesão, M., Siems, K., Koch, S., Beblo-Vranesevic, K., Rabbow, E., Berger, T., … Moeller, R. (2021). MARSBOx: Fungal and Bacterial Endurance From a Balloon-Flown Analog Mission in the Stratosphere. Frontiers in Microbiology, 12, None. doi:10.3389/fmicb.2021.601713

An 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