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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August 2022Diagnostic biosignature transformation under simulated martian radiation in organic-rich sedimentary rocks

Roussel, A., McAdam, A. C., Graham, H. V., Pavlov, A. A., Achilles, C. N., Knudson, C. A., … Johnson, S. S. (2022). Diagnostic biosignature transformation under simulated martian radiation in organic-rich sedimentary rocks. Frontiers in Astronomy and Space Sciences, 9, None. doi:10.3389/fspas.2022.919828

Atmospheric retrievals for LIFE and other future space missions: the importance of mitigating systematic effects

Alei, E., Konrad, B., Mollière, P., Quanz, S. P., Angerhausen, D., & Ranganathan, M. (2022). Atmospheric retrievals for LIFE and other future space missions: the importance of mitigating systematic effects. Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave. doi:10.1117/12.2631692

Microbial Burden Estimation of Food Items, Built Environments, and the International Space Station Using Film Media

Simpson, A. C., Suzuki, T., Miller, D. R., & Venkateswaran, K. (2022). Microbial Burden Estimation of Food Items, Built Environments, and the International Space Station Using Film Media. Microorganisms, 10(9), 1714. doi:10.3390/microorganisms10091714

An authigenic response to Ediacaran surface oxidation: Remarkable micron-scale isotopic heterogeneity revealed by SIMS

Cui, H., Kitajima, K., Orland, I. J., Baele, J-M., Xiao, S., Kaufman, A. J., … Valley, J. W. (2022). An authigenic response to Ediacaran surface oxidation: Remarkable micron-scale isotopic heterogeneity revealed by SIMS. Precambrian Research, 377, 106676. doi:10.1016/j.precamres.2022.106676

Space weathering signatures in sulfide and silicate minerals from asteroid Itokawa

Chaves, L. C., & Thompson, M. S. (2022). Space weathering signatures in sulfide and silicate minerals from asteroid Itokawa. Earth, Planets and Space, 74(1), None. doi:10.1186/s40623-022-01683-6

The interplay between twinning and cation inversion in MgAl2O4-spinel: Implications for a nebular thermochronometer

Manga, V. R., Muralidharan, K., & Zega, T. J. (2022). The interplay between twinning and cation inversion in MgAl2O4-spinel: Implications for a nebular thermochronometer. American Mineralogist, 107(8), 1470–1476. doi:10.2138/am-2021-7874

Microbial Populations Are Shaped by Dispersal and Recombination in a Low Biomass Subseafloor Habitat

Anderson, R. E., Graham, E. D., Huber, J. A., & Tully, B. J. (2022). Microbial Populations Are Shaped by Dispersal and Recombination in a Low Biomass Subseafloor Habitat. mBio. doi:10.1128/mbio.00354-22

July 2022Prebiotic synthesis of α-amino acids and orotate from α-ketoacids potentiates transition to extant metabolic pathways

Pulletikurti, S., Yadav, M., Springsteen, G., & Krishnamurthy, R. (2022). Prebiotic synthesis of α-amino acids and orotate from α-ketoacids potentiates transition to extant metabolic pathways. Nature Chemistry. doi:10.1038/s41557-022-00999-w

The Shuram excursion: A response to climate extremes at the dawn of animal life

Bergmann, K., Osburn, M. R., Wilcots, J., Cantine, M., Grotzinger, J. P., Fischer, W. W., … Bonifacie, M. (2022). The Shuram excursion: A response to climate extremes at the dawn of animal life. None. doi:10.1002/essoar.10511917.1

Wet streaks in the McMurdo Dry Valleys, Antarctica: Implications for Recurring Slope Lineae on Mars

Toner, J. D., Sletten, R. S., Liu, L., Catling, D. C., Ming, D. W., Mushkin, A., & Lin, P-C. (2022). Wet streaks in the McMurdo Dry Valleys, Antarctica: Implications for Recurring Slope Lineae on Mars. Earth and Planetary Science Letters, 589, 117582. doi:10.1016/j.epsl.2022.117582

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