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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September 2016Aliphatic amines in Antarctic CR2, CM2, and CM1/2 carbonaceous chondrites

Aponte, J. C., McLain, H. L., Dworkin, J. P., & Elsila, J. E. (2016). Aliphatic amines in Antarctic CR2, CM2, and CM1/2 carbonaceous chondrites. Geochimica et Cosmochimica Acta, 189, 296–311. doi:10.1016/j.gca.2016.06.018

Finite-size effects and switching times for Moran process with mutation

DeVille, L., & Galiardi, M. (2016). Finite-size effects and switching times for Moran process with mutation. Journal of Mathematical Biology, 74(5), 1197–1222. doi:10.1007/s00285-016-1056-7

The H-bond network surrounding the pyranopterins modulates redox cooperativity in the molybdenum- bis PGD cofactor in arsenite oxidase

Duval, S., Santini, J. M., Lemaire, D., Chaspoul, F., Russell, M. J., Grimaldi, S., … Schoepp-Cothenet, B. (2016). The H-bond network surrounding the pyranopterins modulates redox cooperativity in the molybdenum- bis PGD cofactor in arsenite oxidase. Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1857(9), 1353–1362. doi:10.1016/j.bbabio.2016.05.003

Orbital evidence for clay and acidic sulfate assemblages on Mars based on mineralogical analogs from Rio Tinto, Spain

Kaplan, H. H., Milliken, R. E., Fernández-Remolar, D., Amils, R., Robertson, K., & Knoll, A. H. (2016). Orbital evidence for clay and acidic sulfate assemblages on Mars based on mineralogical analogs from Rio Tinto, Spain. Icarus, 275, 45–64. doi:10.1016/j.icarus.2016.03.019

Study on nanophase iron oxyhydroxides in freshwater ferromanganese nodules from Green Bay, Lake Michigan

Schindler, M. (2016). Study on nanophase iron oxyhydroxides in freshwater ferromanganese nodules from Green Bay, Lake Michigan. American Mineralogist, 101(9), 1927–1927. doi:10.2138/am-2016-5893

The ortho-to-para ratio of interstellar NH_2: Quasi-classical trajectory calculations and new simulations

Le Gal, R., Herbst, E., Xie, C., Li, A., & Guo, H. (2016). The ortho-to-para ratio of interstellar NH_2: Quasi-classical trajectory calculations and new simulations. Astronomy & Astrophysics. doi:10.1051/0004-6361/201629107

Low Pressure Tolerance by Methanogens in an Aqueous Environment: Implications for Subsurface Life on Mars

Mickol, R. L., & Kral, T. A. (2016). Low Pressure Tolerance by Methanogens in an Aqueous Environment: Implications for Subsurface Life on Mars. Origins of Life and Evolution of Biospheres. doi:10.1007/s11084-016-9519-9

A novel F420-dependent Thioredoxin Reductase Gated by Low Potential FAD: A Tool for Redox Regulation in an Anaerobe

Susanti, D., Loganathan, U., & Mukhopadhyay, B. (2016). A novel F420-dependent Thioredoxin Reductase Gated by Low Potential FAD: A Tool for Redox Regulation in an Anaerobe. J. Biol. Chem., None, jbc.M116.750208. doi:10.1074/jbc.m116.750208

Laser-Induced Acoustic Desorption Atmospheric Pressure Photoionization via VUV-Generating Microplasmas

Benham, K., Hodyss, R., Fernández, F. M., & Orlando, T. M. (2016). Laser-Induced Acoustic Desorption Atmospheric Pressure Photoionization via VUV-Generating Microplasmas. Journal of The American Society for Mass Spectrometry, 27(11), 1805–1812. doi:10.1007/s13361-016-1467-0

Kinetics of prebiotic depsipeptide formation from the ester–amide exchange reaction

Yu, S-S., Krishnamurthy, R., Fernández, F. M., Hud, N. V., Schork, F. J., & Grover, M. A. (2016). Kinetics of prebiotic depsipeptide formation from the ester–amide exchange reaction. Phys. Chem. Chem. Phys., 18(41), 28441–28450. doi:10.1039/c6cp05527c

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