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 2023Compound-specific carbon isotope measurements of individual lipid biomarkers from immature Ediacaran rocks of Baltica

Pehr, K., Baczynski, A. A., Bekker, A., Hoffmann, A., Freeman, K. H., Poulton, S. W., & Love, G. D. (2023). Compound-specific carbon isotope measurements of individual lipid biomarkers from immature Ediacaran rocks of Baltica. Organic Geochemistry, 182, 104641. doi:10.1016/j.orggeochem.2023.104641

Progressive marine oxygenation and climatic cooling at the height of the Great Ordovician Biodiversification Event

Kozik, N. P., Young, S. A., Ahlberg, P., Lindskog, A., & Owens, J. D. (2023). Progressive marine oxygenation and climatic cooling at the height of the Great Ordovician Biodiversification Event. Global and Planetary Change, 227, 104183. doi:10.1016/j.gloplacha.2023.104183

Planetary Scale Information Transmission in the Biosphere and Technosphere: Limits and Evolution

Lingam, M., Frank, A., & Balbi, A. (2023). Planetary Scale Information Transmission in the Biosphere and Technosphere: Limits and Evolution. Life, 13(9), 1850. doi:10.3390/life13091850

The NASA Raman spectroscopic database: Ramdb version 1.00

Mattioda, A. L., Gavilan, L., Ricketts, C. L., Najeeb, P. K., Ricca, A., & Boersma, C. (2023). The NASA Raman spectroscopic database: Ramdb version 1.00. Icarus, None, 115769. doi:10.1016/j.icarus.2023.115769

Complex mixture of organic matter in a xenolithic clast from the Zag meteorite revealed by coordinated analyses using AFM-IR, NanoSIMS and STXM/XANES

Kebukawa, Y., Mathurin, J., Dartois, E., Dazzi, A., Deniset-Besseau, A., Duprat, J., … Takahashi, Y. (2023). Complex mixture of organic matter in a xenolithic clast from the Zag meteorite revealed by coordinated analyses using AFM-IR, NanoSIMS and STXM/XANES. Icarus, 400, 115582. doi:10.1016/j.icarus.2023.115582

Age, genetics, and crystallization sequence of the group IIIE iron meteorites

Chiappe, E. M., Ash, R. D., & Walker, R. J. (2023). Age, genetics, and crystallization sequence of the group IIIE iron meteorites. Geochimica et Cosmochimica Acta, 354, 51–61. doi:10.1016/j.gca.2023.06.009

Molecular basis for inhibition of methane clathrate growth by a deep subsurface bacterial protein

Huard, D. J. E., Johnson, A. M., Fan, Z., Kenney, L. G., Xu, M., Drori, R., … Glass, J. B. (2023). Molecular basis for inhibition of methane clathrate growth by a deep subsurface bacterial protein. PNAS Nexus, 2(8), None. doi:10.1093/pnasnexus/pgad268

Igneous meteorites suggest Aluminium-26 heterogeneity in the early Solar Nebula

Krestianinov, E., Amelin, Y., Yin, Q-Z., Cary, P., Huyskens, M. H., Miller, A., … Rocco, T. D. (2023). Igneous meteorites suggest Aluminium-26 heterogeneity in the early Solar Nebula. Nature Communications, 14(1), None. doi:10.1038/s41467-023-40026-1

Evolution of Thrace Macula on Europa: Strike‐Slip Tectonic Control and Identification of the Youngest Terrains

Matteoni, P., Neesemann, A., Jaumann, R., Hillier, J., & Postberg, F. (2023). Evolution of Thrace Macula on Europa: Strike‐Slip Tectonic Control and Identification of the Youngest Terrains. Journal of Geophysical Research: Planets, 128(8), None. doi:10.1029/2023je007905

Mass Spectrometric Fingerprints of Organic Compounds in Sulfate-Rich Ice Grains: Implications for Europa Clipper

Napoleoni, M., Klenner, F., Hortal Sánchez, L., Khawaja, N., Hillier, J. K., Gudipati, M. S., … Postberg, F. (2023). Mass Spectrometric Fingerprints of Organic Compounds in Sulfate-Rich Ice Grains: Implications for Europa Clipper. ACS Earth and Space Chemistry, 7(9), 1675–1693. doi:10.1021/acsearthspacechem.3c00098

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