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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September 2023Shock-Impacts and Vibrational g-Forces Can Dislodge Bacillus spp. Spores from Spacecraft Surfaces

Schuerger, A. C., & Borrell, A. V. (2023). Shock-Impacts and Vibrational g-Forces Can Dislodge Bacillus spp. Spores from Spacecraft Surfaces. Microorganisms, 11(10), 2421. doi:10.3390/microorganisms11102421

Possible Gas-Phase Synthesis of Neutral Malononitrile (C3H2N2) and Isocyanoacetonitrile (NCCH2NC) under the Upper Atmospheric Conditions of Titan

Ramal-Olmedo, J. C., Menor-Salván, C. A., Miyoshi, A., Fortenberry, R. C. (2023). Possible Gas-Phase Synthesis of Neutral Malononitrile (C3H2N2) and Isocyanoacetonitrile (NCCH2NC) under the Upper Atmospheric Conditions of Titan. ACS Earth Space Chemistry. doi: 10.1021/acsearthspacechem.3c00107

The Influence of Hydrogen Sulfide on the Optical Properties of Planetary Organic Hazes: Implications for Exoplanet Climate Modeling

Reed, N. W., Jansen, K. T., Schiffman, Z. R., Tolbert, M. A., & Browne, E. C. (2023). The Influence of Hydrogen Sulfide on the Optical Properties of Planetary Organic Hazes: Implications for Exoplanet Climate Modeling. The Astrophysical Journal Letters, 954(2), L44. doi:10.3847/2041-8213/acf1a2

August 2023Vibrational spectroscopic, crystallographic, and microscopic investigation on the Aioun El Atrouss diogenite

Ayvaz, I., Unsalan, O., Castro, K., Altunayar‐Unsalan, C., & Zolensky, M. E. (2023). Vibrational spectroscopic, crystallographic, and microscopic investigation on the Aioun El Atrouss diogenite. Journal of Raman Spectroscopy. doi:10.1002/jrs.6583

Isolating Dust and Free–Free Emission in ONC Proplyds with ALMA Band 3 Observations

Ballering, N. P., Cleeves, L. I., Haworth, T. J., Bally, J., Eisner, J. A., Ginsburg, A., … Kim, J. S. (2023). Isolating Dust and Free–Free Emission in ONC Proplyds with ALMA Band 3 Observations. The Astrophysical Journal, 954(2), 127. doi:10.3847/1538-4357/ace901

Well-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

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