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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December 2008A Revised, Hazy Methane Greenhouse for the Archean Earth

Haqq-Misra, J. D., Domagal-Goldman, S. D., Kasting, P. J., & Kasting, J. F. (2008). Astrobiology, 8(6), 1127–1137. doi:10.1089/ast.2007.0197

Short- and Long-Term Olivine Weathering in Svalbard: Implications for Mars

Hausrath, E. M., Treiman, A. H., Vicenzi, E., Bish, D. L., Blake, D., Sarrazin, P., … Hoehler, T. (2008). Astrobiology, 8(6), 1079–1092. doi:10.1089/ast.2007.0195

WATER, O 2 , AND ICE IN MOLECULAR CLOUDS

Hollenbach, D., Kaufman, M. J., Bergin, E. A., & Melnick, G. J. (2008). The Astrophysical Journal, 690(2), 1497–1521. doi:10.1088/0004-637x/690/2/1497

Extrasolar Planet Eccentricities from Scattering in the Presence of Residual Gas Disks

Moeckel, N., Raymond, S. N., & Armitage, P. J. (2008). The Astrophysical Journal, 688(2), 1361–1367. doi:10.1086/592286

Crystal Structure of the L Protein of Rhodobacter sphaeroides Light-Independent Protochlorophyllide Reductase with MgADP Bound: A Homologue of the Nitrogenase Fe Protein † ‡

Sarma, R., Barney, B. M., Hamilton, T. L., Jones, A., Seefeldt, L. C., & Peters, J. W. (2008). Biochemistry, 47(49), 13004–13015. doi:10.1021/bi801058r

STIS IMAGING OF THE HR 4796A CIRCUMSTELLAR DEBRIS RING

Schneider, G., Weinberger, A. J., Becklin, E. E., Debes, J. H., & Smith, B. A. (2008). The Astronomical Journal, 137(1), 53–61. doi:10.1088/0004-6256/137/1/53

Simulating Martian regolith in the laboratory

Seiferlin, K., Ehrenfreund, P., Garry, J., Gunderson, K., Hütter, E., Kargl, G., … Maturilli, A. (2008). Planetary and Space Science, 56(15), 2009–2025. doi:10.1016/j.pss.2008.09.017

Light-toned salty soils and coexisting Si-rich species discovered by the Mars Exploration Rover Spirit in Columbia Hills

Wang, A., Bell, J. F., Li, R., Johnson, J. R., Farrand, W. H., Cloutis, E. A., … Arvidson, R. E. (2008). Journal of Geophysical Research, 113(E12), None. doi:10.1029/2008je003126

November 2008A Major Clade of Prokaryotes with Ancient Adaptations to Life on Land

Battistuzzi, F. U., & Hedges, S. B. (2008). Molecular Biology and Evolution, 26(2), 335–343. doi:10.1093/molbev/msn247

Density functional theory predictions of equilibrium isotope fractionation of iron due to redox changes and organic complexation

Domagal-Goldman, S. D., & Kubicki, J. D. (2008). Geochimica et Cosmochimica Acta, 72(21), 5201–5216. doi:10.1016/j.gca.2008.05.066

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