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 2018Organic synthesis on Mars by electrochemical reduction of CO2

Steele, A., Benning, L. G., Wirth, R., Siljeström, S., Fries, M. D., Hauri, E., … Blanco, J. D. R. (2018). Organic synthesis on Mars by electrochemical reduction of CO2. Science Advances, 4(10), eaat5118. doi:10.1126/sciadv.aat5118

Exquisite regulation of supramolecular equilibrium polymers in water: chain stoppers control length, polydispersity and viscoelasticity

Karunakaran, S. C., Cafferty, B. J., Peláez-Fernández, M., Neselu, K., Schmidt-Krey, I., Fernandez-Nieves, A., … Hud, N. V. (2018). Exquisite regulation of supramolecular equilibrium polymers in water: chain stoppers control length, polydispersity and viscoelasticity. Polymer Chemistry, 9(43), 5268–5277. doi:10.1039/c8py01146j

September 2018Marine Shallow-Water Hydrothermal Vents: Geochemistry

Price, R. E., & Giovannelli, D. (2019). Marine Shallow-Water Hydrothermal Vents: Geochemistry. Encyclopedia of Ocean Sciences, None, 346–352. doi:10.1016/b978-0-12-409548-9.11015-2

Geological and Geochemical Constraints on the Origin and Evolution of Life

Sleep, N. H. (2018). Geological and Geochemical Constraints on the Origin and Evolution of Life. Astrobiology, 18(9), 1199–1219. doi:10.1089/ast.2017.1778

On the Natural Structure of Amino Acid Patterns in Families of Protein Sequences

Turjanski, P., & Ferreiro, D. U. (2018). On the Natural Structure of Amino Acid Patterns in Families of Protein Sequences. The Journal of Physical Chemistry B, 122(49), 11295–11301. doi:10.1021/acs.jpcb.8b07206

Less absorbed solar energy and more internal heat for Jupiter

Li, L., Jiang, X., West, R. A., Gierasch, P. J., Perez-Hoyos, S., Sanchez-Lavega, A., … Schmude, R. W. (2018). Less absorbed solar energy and more internal heat for Jupiter. Nature Communications, 9(1), None. doi:10.1038/s41467-018-06107-2

Marine sulfur cycle evidence for upwelling and eutrophic stresses during early triassic cooling events

Stebbins, A., Algeo, T. J., Krystyn, L., Rowe, H., Brookfield, M., Williams, J., … Hannigan, R. (2018). Marine sulfur cycle evidence for upwelling and eutrophic stresses during early triassic cooling events. Earth-Science Reviews. doi:10.1016/j.earscirev.2018.09.007

Data calibration for the MASCARA and bRing instruments.

Talens, G. J. J., Deul, E. R., Stuik, R., Burggraaff, O., Lesage, A-L., Spronck, J. F. P., … Snellen, I. A. G. (2018). Data calibration for the MASCARA and bRing instruments.. Astronomy & Astrophysics. doi:10.1051/0004-6361/201834070

A Framework for Prioritizing the TESS Planetary Candidates Most Amenable to Atmospheric Characterization

Kempton, E-R., Bean, J. L., Louie, D. R., Deming, D., Koll, D. D. B., Mansfield, M., … Essen, C. v. (2018). A Framework for Prioritizing the TESS Planetary Candidates Most Amenable to Atmospheric Characterization. Publications of the Astronomical Society of the Pacific, 130(993), 114401. doi:10.1088/1538-3873/aadf6f

The Vegetation Red Edge Biosignature Through Time on Earth and Exoplanets

O'Malley-James, J. T., & Kaltenegger, L. (2018). The Vegetation Red Edge Biosignature Through Time on Earth and Exoplanets. Astrobiology, 18(9), 1123–1136. doi:10.1089/ast.2017.1798

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