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 2023Well-hidden methanogenesis in deep, organic-rich sediments of Guaymas Basin

Bojanova, D. P., De Anda, V. Y., Haghnegahdar, M. A., Teske, A. P., Ash, J. L., Young, E. D., … Amend, J. P. (2023). Well-hidden methanogenesis in deep, organic-rich sediments of Guaymas Basin. The ISME Journal. doi:10.1038/s41396-023-01485-y

Identification and Archive of Mars 2020 Spacecraft Microbial Isolates

Schubert, W. W., Seto, E. P., Hinzer, A. A., & Guan, L. (2023). Identification and Archive of Mars 2020 Spacecraft Microbial Isolates. Astrobiology, 23(8), 835–845. doi:10.1089/ast.2022.0052

The Oxygen Isotopic Composition of Samples Returned from Asteroid Ryugu with Implications for the Nature of the Parent Planetesimal

Tang, H., Young, E. D., Tafla, L., Pack, A., Di Rocco, T., Abe, Y., … Yurimoto, H. (2023). The Oxygen Isotopic Composition of Samples Returned from Asteroid Ryugu with Implications for the Nature of the Parent Planetesimal. The Planetary Science Journal, 4(8), 144. doi:10.3847/psj/acea62

Geochemical and physical variability of Icelandic tephra fields and glaciovolcanic sandur to inform spatial sampling in Mars biosignature searches

Cable, M. L., Sessa, A. M., Rader, E., Simpson, A. C., Hanna, A. M., Gentry, D. M., … King, D. (2023). Geochemical and physical variability of Icelandic tephra fields and glaciovolcanic sandur to inform spatial sampling in Mars biosignature searches. Planetary and Space Science, 232, 105694. doi:10.1016/j.pss.2023.105694

Genomic characterization and radiation tolerance of Naganishia kalamii sp. nov. and Cystobasidium onofrii sp. nov. from Mars 2020 mission assembly facilities

Leo, P., De Melo Texeira, M., Chander, A. M., Singh, N. K., Simpson, A. C., Yurkov, A., … Venkateswaran, K. (2023). Genomic characterization and radiation tolerance of Naganishia kalamii sp. nov. and Cystobasidium onofrii sp. nov. from Mars 2020 mission assembly facilities. IMA Fungus, 14(1), None. doi:10.1186/s43008-023-00119-4

Compound-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

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