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 2014Vesicles Protect Activated Acetic Acid

Todd, Z. R., & House, C. H. (2014). Astrobiology, 14(10), 859–865. doi:10.1089/ast.2014.1185

September 2014Fe-oxide grain coatings support bacterial Fe-reducing metabolisms in 1.7âˆ’2.0 km-deep subsurface quartz arenite sandstone reservoirs of the Illinois Basin (USA)

Dong, Y., Sanford, R. A., Locke, R. A., Cann, I. K., Mackie, R. I., & Fouke, B. W. (2014). Fe-oxide grain coatings support bacterial Fe-reducing metabolisms in 1.7âˆ’2.0 km-deep subsurface quartz arenite sandstone reservoirs of the Illinois Basin (USA). Frontiers in Microbiology, 5, None. doi:10.3389/fmicb.2014.00511

Iron oxides stimulate sulfate-driven anaerobic methane oxidation in seeps

Sivan, O., Antler, G., Turchyn, A. V., Marlow, J. J., & Orphan, V. J. (2014). Iron oxides stimulate sulfate-driven anaerobic methane oxidation in seeps. Proceedings of the National Academy of Sciences, 111(40), E4139–E4147. doi:10.1073/pnas.1412269111

Ultra-sensitive pH control of supramolecular polymers and hydrogels: pKa matching of biomimetic monomers

Cafferty, B. J., Avirah, R. R., Schuster, G. B., & Hud, N. V. (2014). Ultra-sensitive pH control of supramolecular polymers and hydrogels: pKa matching of biomimetic monomers. Chem. Sci., 5(12), 4681–4686. doi:10.1039/c4sc02182g

Synthesis of phosphoramidites of isoGNA, an isomer of glycerol nucleic acid

Kim, K., Punna, V., Karri, P., & Krishnamurthy, R. (2014). Synthesis of phosphoramidites of isoGNA, an isomer of glycerol nucleic acid. Beilstein Journal of Organic Chemistry, 10, 2131–2138. doi:10.3762/bjoc.10.220

Desorption atmospheric pressure photoionization and direct analysis in real time coupled with travelling wave ion mobility mass spectrometry

Räsänen, R-M., Dwivedi, P., Fernández, F. M., & Kauppila, T. J. (2014). Desorption atmospheric pressure photoionization and direct analysis in real time coupled with travelling wave ion mobility mass spectrometry. Rapid Communications in Mass Spectrometry, 28(21), 2325–2336. doi:10.1002/rcm.7028

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

The 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

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