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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July 2017The dynamics of adaptive genetic diversity during the early stages of clonal evolution

Blundell, J. R., Schwartz, K., Francois, D., Fisher, D. S., Sherlock, G. J., & Levy, S. F. (2017). The dynamics of adaptive genetic diversity during the early stages of clonal evolution. None. doi:10.1101/170589

Environmental Adaptation from the Origin of Life to the Last Universal Common Ancestor

Cantine, M. D., & Fournier, G. P. (2017). Environmental Adaptation from the Origin of Life to the Last Universal Common Ancestor. Origins of Life and Evolution of Biospheres, 48(1), 35–54. doi:10.1007/s11084-017-9542-5

Ambient mass spectrometry in metabolomics

Clendinen, C. S., Monge, M. E., & Fernández, F. M. (2017). Ambient mass spectrometry in metabolomics. The Analyst, 142(17), 3101–3117. doi:10.1039/c7an00700k

Horizontal Gene Transfer of Functional Type VI Killing Genes by Natural Transformation

Thomas, J., Watve, S. S., Ratcliff, W. C., & Hammer, B. K. (2017). Horizontal Gene Transfer of Functional Type VI Killing Genes by Natural Transformation. mBio, 8(4), e00654–17. doi:10.1128/mbio.00654-17

Large and robust lenticular microorganisms on the young Earth

Oehler, D. Z., Walsh, M. M., Sugitani, K., Liu, M-C., & House, C. H. (2017). Large and robust lenticular microorganisms on the young Earth. Precambrian Research, 296, 112–119. doi:10.1016/j.precamres.2017.04.031

Report Series

, ., , ., , ., & , . (2017). Report Series. None. doi:10.17226/24843

Bunburra Rockhole: Exploring the geology of a new differentiated asteroid

Benedix, G. K., Bland, P. A., Friedrich, J. M., Mittlefehldt, D. W., Sanborn, M. E., Yin, Q-Z., … Mertzman, S. A. (2017). Bunburra Rockhole: Exploring the geology of a new differentiated asteroid. Geochimica et Cosmochimica Acta, 208, 145–159. doi:10.1016/j.gca.2017.03.030

Geochemical bioenergetics during low-temperature serpentinization: An example from the Samail ophiolite, Sultanate of Oman

Canovas, P. A., Hoehler, T., & Shock, E. L. (2017). Geochemical bioenergetics during low-temperature serpentinization: An example from the Samail ophiolite, Sultanate of Oman. Journal of Geophysical Research: Biogeosciences, 122(7), 1821–1847. doi:10.1002/2017jg003825

Novel Pelagic Iron-Oxidizing Zetaproteobacteria from the Chesapeake Bay Oxic–Anoxic Transition Zone

Chiu, B. K., Kato, S., McAllister, S. M., Field, E. K., & Chan, C. S. (2017). Novel Pelagic Iron-Oxidizing Zetaproteobacteria from the Chesapeake Bay Oxic–Anoxic Transition Zone. Frontiers in Microbiology, 8, None. doi:10.3389/fmicb.2017.01280

Visualizing Iron Oxidation State in a Possible Cometary Clast from Carbonaceous Meteorite LAP 02342

De Gregorio, B., & Stroud, R. (2017). Visualizing Iron Oxidation State in a Possible Cometary Clast from Carbonaceous Meteorite LAP 02342. Microscopy and Microanalysis, 23(S1), 2150–2151. doi:10.1017/s1431927617011412

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