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 2014The ancient heritage of water ice in the solar system

Cleeves, L. I., Bergin, E. A., Alexander, C. M. O., Du, F., Graninger, D., Oberg, K. I., & Harries, T. J. (2014). Science, 345(6204), 1590–1593. doi:10.1126/science.1258055

Formation, Habitability, and Detection of Extrasolar Moons

Heller, R., Williams, D., Kipping, D., Limbach, M. A., Turner, E., Greenberg, R., … Sasaki, T. (2014). Astrobiology, 14(9), 798–835. doi:10.1089/ast.2014.1147

Hypothesized link between Neoproterozoic greening of the land surface and the establishment of an oxygen-rich atmosphere

Kump, L. R. (2014). Proc Natl Acad Sci USA, 111(39), 14062–14065. doi:10.1073/pnas.1321496111

Assessing the origins of aliphatic amines in the Murchison meteorite from their compound-specific carbon isotopic ratios and enantiomeric composition

Aponte, J. C., Dworkin, J. P., & Elsila, J. E. (2014). Geochimica et Cosmochimica Acta, 141(None), 331–345. doi:10.1016/j.gca.2014.06.035

Chemistry and texture of the rocks at Rocknest, Gale Crater: Evidence for sedimentary origin and diagenetic alteration

Blaney, D. L., Wiens, R. C., Maurice, S., Clegg, S. M., Anderson, R. B., Kah, L. C., … Le Mouélic, S. (2014). Journal of Geophysical Research: Planets, 119(9), 2109–2131. doi:10.1002/2013je004590

Strong influence of the littoral zone on sedimentary lipid biomarkers in a meromictic lake

Bovee, R. J., & Pearson, A. (2014). Geobiology, 12(6), 529–541. doi:10.1111/gbi.12099

Interplay between Oxygen and Fe–S Cluster Biogenesis: Insights from the Suf Pathway

Boyd, E. S., Thomas, K. M., Dai, Y., Boyd, J. M., & Wayne Outten, F. (2014). Biochemistry, 53(37), 5834–5847. doi:10.1021/bi500488r

The effects of parent-body hydrothermal heating on amino acid abundances in CI-like chondrites

Burton, A. S., Grunsfeld, S., Elsila, J. E., Glavin, D. P., & Dworkin, J. P. (2014). Polar Science, 8(3), 255–263. doi:10.1016/j.polar.2014.05.002

Modeling the signature of sulfur mass-independent fractionation produced in the Archean atmosphere

Claire, M. W., Kasting, J. F., Domagal-Goldman, S. D., Stüeken, E. E., Buick, R., & Meadows, V. S. (2014). Geochimica et Cosmochimica Acta, 141(None), 365–380. doi:10.1016/j.gca.2014.06.032

Hydrogen incorporation and charge balance in natural zircon

De Hoog, J. C. M., Lissenberg, C. J., Brooker, R. A., Hinton, R., Trail, D., & Hellebrand, E. (2014). Geochimica et Cosmochimica Acta, 141(None), 472–486. doi:10.1016/j.gca.2014.06.033

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