NASA Astrobiology



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

NextPrevious

Go Explore

March 2020Wide but not ubiquitous distribution of glendonite in the Doushantuo Formation, South China: Implications for Ediacaran climate

Wang, Z., Chen, C., Wang, J., Suess, E., Chen, X., Ma, X., … Xiao, S. (2020). Wide but not ubiquitous distribution of glendonite in the Doushantuo Formation, South China: Implications for Ediacaran climate. Precambrian Research, 338, 105586. doi:10.1016/j.precamres.2019.105586

February 2020Primordial organic matter in the xenolithic clast in the Zag H chondrite: Possible relation to D/P asteroids

Kebukawa, Y., Zolensky, M. E., Ito, M., Ogawa, N. O., Takano, Y., Ohkouchi, N., … Kobayashi, K. (2020). Primordial organic matter in the xenolithic clast in the Zag H chondrite: Possible relation to D/P asteroids. Geochimica et Cosmochimica Acta, 271, 61–77. doi:10.1016/j.gca.2019.12.012

Possible H2O storage in the crystal structure of CaSiO3 perovskite

Chen, H., Leinenweber, K., Prakapenka, V., Prescher, C., Meng, Y., Bechtel, H., … Shim, S-H. (2020). Possible H2O storage in the crystal structure of CaSiO3 perovskite. Physics of the Earth and Planetary Interiors, 299, 106412. doi:10.1016/j.pepi.2019.106412

January 2020Evidence for the charge disproportionation of iron in extraterrestrial bridgmanite

Bindi, L., Shim, S-H., Sharp, T. G., & Xie, X. (2020). Evidence for the charge disproportionation of iron in extraterrestrial bridgmanite. Science Advances, 6(2), eaay7893. doi:10.1126/sciadv.aay7893

Chemistry of Abiotic Nucleotide Synthesis

Yadav, M., Kumar, R., & Krishnamurthy, R. (2020). Chemistry of Abiotic Nucleotide Synthesis. Chemical Reviews. doi:10.1021/acs.chemrev.9b00546

Ceres: Astrobiological Target and Possible Ocean World

Castillo-Rogez, J. C., Neveu, M., Scully, J. E. C., House, C. H., Quick, L. C., Bouquet, A., … Young, E. (2020). Ceres: Astrobiological Target and Possible Ocean World. Astrobiology. doi:10.1089/ast.2018.1999

Metastable equilibrium of substitution reactions among oxygen- and nitrogen-bearing organic compounds at hydrothermal conditions

Robinson, K. J., Fecteau, K. M., Gould, I. R., Hartnett, H. E., Williams, L. B., & Shock, E. L. (2020). Metastable equilibrium of substitution reactions among oxygen- and nitrogen-bearing organic compounds at hydrothermal conditions. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2019.12.030

Probing the Evolutionary History of Comets: An Investigation of the Hypervolatiles CO, CH4, and C2H6 in the Jupiter-family Comet 21P/Giacobini–Zinner

Roth, N. X., Gibb, E. L., Bonev, B. P., DiSanti, M. A., Russo, N. D., McKay, A. J., … Shou, Y. (2020). Probing the Evolutionary History of Comets: An Investigation of the Hypervolatiles CO, CH4, and C2H6 in the Jupiter-family Comet 21P/Giacobini–Zinner. The Astronomical Journal, 159(2), 42. doi:10.3847/1538-3881/ab536b

Magnetic Properties of Asteroid (162173) Ryugu

Hercik, D., Auster, H., Constantinescu, D., Blum, J., FornaçOn, K., Fujimoto, M., … Glassmeier, K. (2020). Magnetic Properties of Asteroid (162173) Ryugu. Journal of Geophysical Research: Planets. doi:10.1029/2019je006035

A novel PARAFAC model for continental hot springs reveals unique dissolved organic carbon compositions

Nye, J., Shock, E., & Hartnett, H. (2020). A novel PARAFAC model for continental hot springs reveals unique dissolved organic carbon compositions. Organic Geochemistry, None, 103964. doi:10.1016/j.orggeochem.2019.103964

1/2/3/4/5/6...345