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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October 2021Perseverance rover reveals an ancient delta-lake system and flood deposits at Jezero crater, Mars

Mangold, N., Gupta, S., Gasnault, O., Dromart, G., Tarnas, J.D., Sholes, S.F., Horgan, B. Quantin-Nataf, C., Brown, A.J., Le Mouélic, S., Yingst, R.A., Bell, J.F., Beyssac, O., Bosak, T., Caleflii, F., Ehlmann, B.L., Farley, K.A., Grotzinger, J.P., Hickman-Lewis, K., Holm-Alwmark, S., Kah, L.C., Martinez-Frias, J., McLennan, S.M., Maurice, S., Nuñez, J.I., Ollila, A.M., Pilleri, P., Rice, Jr., J.W., Rice, M., Simon, J.I., Shuster, D.L., Stack, K.M., Sun, V.Z., Treiman, A.H., Weiss, B.P., Wiens, R.C., Williams, A.J., WIlliams, N.R., Williford, K.H. (2021) Perseverance rover reveals an ancient delta-lake system and flood deposits at Jezero crater, Mars. Science. doi: 10.1126/science.abl4051

Calcium isotope cosmochemistry

Valdes, M. C., Bermingham, K. R., Huang, S., & Simon, J. I. (2021). Calcium isotope cosmochemistry. Chemical Geology, 581, 120396. doi:10.1016/j.chemgeo.2021.120396

September 2021Phosphine Generation Pathways on Rocky Planets

Omran, A., Oze, C., Jackson, B., Mehta, C., Barge, L. M., Bada, J., & Pasek, M. A. (2021). Phosphine Generation Pathways on Rocky Planets. Astrobiology. doi:10.1089/ast.2021.0034

Multiple Moist Climate Equilibrium States on Arid Rocky M-dwarf Planets: A Last-saturation Tracer Analysis

Ding, F., & Wordsworth, R. D. (2021). Multiple Moist Climate Equilibrium States on Arid Rocky M-dwarf Planets: A Last-saturation Tracer Analysis. The Planetary Science Journal, 2(5), 201. doi:10.3847/psj/ac2236

An Improved Method to Measure Head Echoes Using a Meteor Radar

Panka, P. A., Weryk, R. J., Bruzzone, J. S., Janches, D., Schult, C., Stober, G., & Hormaechea, J. L. (2021). An Improved Method to Measure Head Echoes Using a Meteor Radar. The Planetary Science Journal, 2(5), 197. doi:10.3847/psj/ac22b2

A Model to Predict the Size of Regolith Clumps on Planetary Bodies

Patel, A., & Hartzell, C. (2021). A Model to Predict the Size of Regolith Clumps on Planetary Bodies. The Planetary Science Journal, 2(5), 196. doi:10.3847/psj/ac1a6e

Investigation of Raman Spectroscopic Signatures with Multivariate Statistics: An Approach for Cataloguing Microbial Biosignatures

Messmer, M. W., Dieser, M., Smith, H. J., Parker, A. E., & Foreman, C. M. (2021). Investigation of Raman Spectroscopic Signatures with Multivariate Statistics: An Approach for Cataloguing Microbial Biosignatures. Astrobiology. doi:10.1089/ast.2021.0021

Accessing the subsurface biosphere within rocks undergoing active low‐temperature serpentinization in the Samail ophiolite (Oman Drilling Project)

Templeton, A. S., Ellison, E. T., Glombitza, C., Morono, Y., Rempfert, K. R., Hoehler, T. M., … , . (2021). Accessing the subsurface biosphere within rocks undergoing active low‐temperature serpentinization in the Samail ophiolite (Oman Drilling Project). Journal of Geophysical Research: Biogeosciences. doi:10.1029/2021jg006315

Ediacara growing pains: modular addition and development in Dickinsonia costata

Evans, S. D., Gehling, J. G., Erwin, D. H., & Droser, M. L. (2021). Ediacara growing pains: modular addition and development in Dickinsonia costata. Paleobiology, None, 1–16. doi:10.1017/pab.2021.31

Anaerobic 3-methylhopanoid production by an acidophilic photosynthetic purple bacterium

Mayer, M. H., Parenteau, M. N., Kempher, M. L., Madigan, M. T., Jahnke, L. L., & Welander, P. V. (2021). Anaerobic 3-methylhopanoid production by an acidophilic photosynthetic purple bacterium. Archives of Microbiology. doi:10.1007/s00203-021-02561-7