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 2022Science Autonomy for Ocean Worlds Astrobiology: A Perspective

Theiling, B. P., Chou, L., Da Poian, V., Battler, M., Raimalwala, K., Arevalo, R., … Thompson, B. (2022). Science Autonomy for Ocean Worlds Astrobiology: A Perspective. Astrobiology, 22(8), 901–913. doi:10.1089/ast.2021.0062

Detection of Biosignatures by Capillary Electrophoresis Mass Spectrometry in the Presence of Salts Relevant to Ocean Worlds Missions

Mora, M. F., Kok, M. G. M., Noell, A., & Willis, P. A. (2022). Detection of Biosignatures by Capillary Electrophoresis Mass Spectrometry in the Presence of Salts Relevant to Ocean Worlds Missions. Astrobiology, 22(8), 914–925. doi:10.1089/ast.2021.0091

June 2022Leveraging Earth Hydrosphere Science in the Search for Life on Ocean Worlds

Hoehler, T., , ., Bowman, J., Craft, K., Willis, P., & Winebrenner, D. (2022). Leveraging Earth Hydrosphere Science in the Search for Life on Ocean Worlds. Oceanography. doi:10.5670/oceanog.2021.412

February 2022Scaling laws in enzyme function reveal a new kind of biochemical universality

Gagler, D. C., Karas, B., Kempes, C. P., Malloy, J., Mierzejewski, V., Goldman, A. D., … Walker, S. I. (2022). Scaling laws in enzyme function reveal a new kind of biochemical universality. Proceedings of the National Academy of Sciences, 119(9), None. doi:10.1073/pnas.2106655119

January 2022Implications of H2/CO2 disequilibrium for life on Enceladus

Hoehler, T. M. (2022). Implications of H2/CO2 disequilibrium for life on Enceladus. Nature Astronomy, 6(1), 3–4. doi:10.1038/s41550-021-01583-x

Depleted carbon isotope compositions observed at Gale crater, Mars

House, C. H., Wong, G. M., Webster, C. R., Flesch, G. J., Franz, H. B., Stern, J. C., … Mahaffy, P. R. (2022). Depleted carbon isotope compositions observed at Gale crater, Mars. Proceedings of the National Academy of Sciences, 119(4), None. doi:10.1073/pnas.2115651119

Organic synthesis associated with serpentinization and carbonation on early Mars

Steele, A., Benning, L. G., Wirth, R., Schreiber, A., Araki, T., McCubbin, F. M., … Rogers, K. (2022). Organic synthesis associated with serpentinization and carbonation on early Mars. Science, 375(6577), 172–177. doi:10.1126/science.abg7905

November 2021Organic molecules revealed in Mars’s Bagnold Dunes by Curiosity’s derivatization experiment

Millan, M., Teinturier, S., Malespin, C. A., Bonnet, J. Y., Buch, A., Dworkin, J. P., … Mahaffy, P. R. (2021). Organic molecules revealed in Mars’s Bagnold Dunes by Curiosity’s derivatization experiment. Nature Astronomy, 6(1), 129–140. doi:10.1038/s41550-021-01507-9

May 2021Identifying molecules as biosignatures with assembly theory and mass spectrometry

Marshall, S. M., Mathis, C., Carrick, E., Keenan, G., Cooper, G. J. T., Graham, H., … Cronin, L. (2021). Identifying molecules as biosignatures with assembly theory and mass spectrometry. Nature Communications, 12(1), None. doi:10.1038/s41467-021-23258-x

Active microbial sulfate reduction in fluids of serpentinizing peridotites of the continental subsurface

Glombitza, C., Putman, L. I., Rempfert, K. R., Kubo, M. D., Schrenk, M. O., Templeton, A. S., & Hoehler, T. M. (2021). Active microbial sulfate reduction in fluids of serpentinizing peridotites of the continental subsurface. Communications Earth & Environment, 2(1), None. doi:10.1038/s43247-021-00157-z

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