NASA Astrobiology

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A volcanically active planet is shown in closeup at the left side of the image with glowing eruptions and lines of lava on the surface. To the right and in the distance is a faint blue glowing ball representing the more massive planet in the system.

Sixteen frames from Voyager 1's flyby of Jupiter in 1979 were merged to create this image. Jupiter's Great Red Spot is visible in the center. Jupiter's moon Europa can be seen in the foreground at the bottom left of the image.

The frame is a horizontal rainbow of color on a grid. Shadows of molecules can be seen through the light as well as the jagged peaks and troughs of spectral lines.

Fizzy Super Earths and Lava Worlds“Fizzy Super-Earths: Impacts of Magma Composition on the Bulk Density and Structure of Lava Worlds.” in The Astrophysical Journal.01/03

Identifying Hydrothermal Activity on Icy Ocean Worlds“Ethene-ethanol ratios as potential indicators of hydrothermal activity at Enceladus, Europa, and other icy ocean worlds.” In Icarus.02/03

NASA Raman Spectroscopic Database"The NASA Raman spectroscopic database: Ramdb version 1.00.” In Icarus.03/03

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October 2015Metabolism-Induced CaCO3Biomineralization During Reactive Transport in a Micromodel: Implications for Porosity Alteration

Singh, R., Yoon, H., Sanford, R. A., Katz, L., Fouke, B. W., & Werth, C. J. (2015). Metabolism-Induced CaCO3Biomineralization During Reactive Transport in a Micromodel: Implications for Porosity Alteration. Environmental Science & Technology, 49(20), 12094–12104. doi:10.1021/acs.est.5b00152

Nanoscale petrographic and geochemical insights on the origin of the Palaeoproterozoic stromatolitic phosphorites from Aravalli Supergroup, India

Papineau, D., De Gregorio, B., Fearn, S., Kilcoyne, D., McMahon, G., Purohit, R., & Fogel, M. (2015). Nanoscale petrographic and geochemical insights on the origin of the Palaeoproterozoic stromatolitic phosphorites from Aravalli Supergroup, India. Geobiology, 14(1), 3–32. doi:10.1111/gbi.12164

Carbon and sulfur isotopic signatures of ancient life and environment at the microbial scale: Neoarchean shales and carbonates

Williford, K. H., Ushikubo, T., Lepot, K., Kitajima, K., Hallmann, C., Spicuzza, M. J., … Kozdon, R. (2015). Geobiology, 14(2), 105–128. doi:10.1111/gbi.12163

THE CENTER OF LIGHT: SPECTROASTROMETRIC DETECTION OF EXOMOONS

Agol, E., Jansen, T., Lacy, B., Robinson, T. D., & Meadows, V. (2015). The Astrophysical Journal, 812(1), 5. doi:10.1088/0004-637x/812/1/5

DetectTLC: Automated Reaction Mixture Screening Utilizing Quantitative Mass Spectrometry Image Features

Kaddi, C. D., Bennett, R. V., Paine, M. R. L., Banks, M. D., Weber, A. L., Fernández, F. M., & Wang, M. D. (2015). DetectTLC: Automated Reaction Mixture Screening Utilizing Quantitative Mass Spectrometry Image Features. Journal of The American Society for Mass Spectrometry, 27(2), 359–365. doi:10.1007/s13361-015-1293-9

The hydroid fossil record and analytical techniques for assessing the affinities of putative hydrozoans and possible hemichordates

Muscente, A. D., Allmon, W. D., & Xiao, S. (2015). Palaeontology, 59(1), 71–87. doi:10.1111/pala.12209

3D MODELING OF GJ1214b's ATMOSPHERE: FORMATION OF INHOMOGENEOUS HIGH CLOUDS AND OBSERVATIONAL IMPLICATIONS

Charnay, B., Meadows, V., Misra, A., Leconte, J., & Arney, G. (2015). 3D MODELING OF GJ1214b's ATMOSPHERE: FORMATION OF INHOMOGENEOUS HIGH CLOUDS AND OBSERVATIONAL IMPLICATIONS. The Astrophysical Journal, 813(1), L1. doi:10.1088/2041-8205/813/1/l1

Effect of depth and vent fluid composition on the carbon sources at two neighboring deep-sea hydrothermal vent fields (Mid-Cayman Rise)

Bennett, S. A., Dover, C. V., Breier, J. A., & Coleman, M. (2015). Deep Sea Research Part I: Oceanographic Research Papers, 104(None), 122–133. doi:10.1016/j.dsr.2015.06.005

A terrestrial perspective on using ex situ shocked zircons to date lunar impacts

Cavosie, A. J., Erickson, T. M., Timms, N. E., Reddy, S. M., Talavera, C., Montalvo, S. D., … Pincus, M. R. (2015). Geology, 43(11), 999–1002. doi:10.1130/g37059.1

Deposition, exhumation, and paleoclimate of an ancient lake deposit, Gale crater, Mars

Grotzinger, J. P., Gupta, S., Malin, M. C., Rubin, D. M., Schieber, J., Siebach, K., … Sumner, D. Y. (2015). Science, 350(6257), aac7575–aac7575. doi:10.1126/science.aac7575

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