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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May 2022Biofilms as agents of Ediacara-style fossilization

Slagter, S., Hao, W., Planavsky, N. J., Konhauser, K. O., & Tarhan, L. G. (2022). Biofilms as agents of Ediacara-style fossilization. Scientific Reports, 12(1), None. doi:10.1038/s41598-022-12473-1

April 2022Double ridge formation over shallow water sills on Jupiter’s moon Europa

Culberg, R., Schroeder, D. M., & Steinbrügge, G. (2022). Double ridge formation over shallow water sills on Jupiter’s moon Europa. Nature Communications, 13(1), None. doi:10.1038/s41467-022-29458-3

Remote and in-Situ Characterization of Mars Analogs: Coupling Scales to Improve the Search for Microbial Signatures on Mars

Harris, C. M., Maclay, M. T., Lutz, K. A., Nathan, V., Ortega Dominguez, N. A., Leavitt, W. D., & Palucis, M. C. (2022). Remote and in-Situ Characterization of Mars Analogs: Coupling Scales to Improve the Search for Microbial Signatures on Mars. Frontiers in Astronomy and Space Sciences, 9, None. doi:10.3389/fspas.2022.849078

Sulfur- and Iron-Rich Mineralogical Features Preserved in Permafrost in the Canadian High Arctic: Analogs for the Astrobiological Exploration of Mars

Lau, G. E., Trivedi, C. B., Grasby, S. E., Spear, J. R., Cosmidis, J., & Templeton, A. S. (2022). Sulfur- and Iron-Rich Mineralogical Features Preserved in Permafrost in the Canadian High Arctic: Analogs for the Astrobiological Exploration of Mars. Frontiers in Astronomy and Space Sciences, 9, None. doi:10.3389/fspas.2022.825019

Large-scale Volcanism and the Heat Death of Terrestrial Worlds

Way, M. J., Ernst, R. E., & Scargle, J. D. (2022). Large-scale Volcanism and the Heat Death of Terrestrial Worlds. The Planetary Science Journal, 3(4), 92. doi:10.3847/psj/ac6033

Genomic Features of the Bundle-Forming Heliobacterium Heliophilum fasciatum

Bender, K. S., Madigan, M. T., Williamson, K. L., Mayer, M. H., Parenteau, M. N., Jahnke, L. L., … Matthew Sattley, W. (2022). Genomic Features of the Bundle-Forming Heliobacterium Heliophilum fasciatum. Microorganisms, 10(5), 869. doi:10.3390/microorganisms10050869

Modeling Virus and Bacteria Populations in Europa’s Subsurface Ocean

Gomez-Buckley, A. C., Showalter, G. M., & Wong, M. L. (2022). Modeling Virus and Bacteria Populations in Europa’s Subsurface Ocean. Life, 12(5), 620. doi:10.3390/life12050620

Disruption of a Planetary Nitrogen Cycle as Evidence of Extraterrestrial Agriculture

Haqq-Misra, J., Fauchez, T. J., Schwieterman, E. W., & Kopparapu, R. (2022). Disruption of a Planetary Nitrogen Cycle as Evidence of Extraterrestrial Agriculture. The Astrophysical Journal Letters, 929(2), L28. doi:10.3847/2041-8213/ac65ff

Atmospheric dynamics of a near tidally locked Earth-sized planet

Kane, S. R. (2022). Atmospheric dynamics of a near tidally locked Earth-sized planet. Nature Astronomy, 6(4), 420–427. doi:10.1038/s41550-022-01626-x

Discovery of Chlorophyll d: Isolation and Characterization of a Far-Red Cyanobacterium from the Original Site of Manning and Strain (1943) at Moss Beach, California

Kiang, N. Y., Swingley, W. D., Gautam, D., Broddrick, J. T., Repeta, D. J., Stolz, J. F., … Parenteau, M. N. (2022). Discovery of Chlorophyll d: Isolation and Characterization of a Far-Red Cyanobacterium from the Original Site of Manning and Strain (1943) at Moss Beach, California. Microorganisms, 10(4), 819. doi:10.3390/microorganisms10040819

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