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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January 2024Titan’s Atmospheric Albedo Asymmetry and Seasonal Variability Observed through the Cassini Imaging Science Subsystem

Snell, C., & Banfield, D. (2024). Titan’s Atmospheric Albedo Asymmetry and Seasonal Variability Observed through the Cassini Imaging Science Subsystem. The Planetary Science Journal, 5(1), 12. doi:10.3847/psj/ad0bec

Retrievals Applied to a Decision Tree Framework Can Characterize Earthlike Exoplanet Analogs

Young, A. V., Crouse, J., Arney, G., Domagal-Goldman, S., Robinson, T. D., & Bastelberger, S. T. (2024). Retrievals Applied to a Decision Tree Framework Can Characterize Earthlike Exoplanet Analogs. The Planetary Science Journal, 5(1), 7. doi:10.3847/psj/ad09b1

Future of the Search for Life: Workshop Report

Neveu, M., Quinn, R., Barge, L. M., Craft, K. L., German, C. R., Getty, S., … Yang, Z. (2024). Future of the Search for Life: Workshop Report. Astrobiology, 24(1), 114–129. doi:10.1089/ast.2022.0158

Atomic masses with machine learning for the astrophysical r process

Li, M., Sprouse, T. M., Meyer, B. S., & Mumpower, M. R. (2024). Atomic masses with machine learning for the astrophysical r process. Physics Letters B, 848, 138385. doi:10.1016/j.physletb.2023.138385

The Guaymas Basin – A hot spot for hydrothermal generation and anaerobic microbial degradation of hydrocarbons

Teske, A. (2024). The Guaymas Basin – A hot spot for hydrothermal generation and anaerobic microbial degradation of hydrocarbons. International Biodeterioration & Biodegradation, 186, 105700. doi:10.1016/j.ibiod.2023.105700

Dissolved silica affects the bulk iron redox state and recrystallization of minerals generated by photoferrotrophy in a simulated Archean ocean

Zhou, A., Templeton, A. S., & Johnson, J. E. (2024). Dissolved silica affects the bulk iron redox state and recrystallization of minerals generated by photoferrotrophy in a simulated Archean ocean. Geobiology, 22(1), None. doi:10.1111/gbi.12587

Statistical Distribution Function of Orbital Spacings in Planetary Systems

Dietrich, J., Malhotra, R., & Apai, D. (2024). Statistical Distribution Function of Orbital Spacings in Planetary Systems. The Astronomical Journal, 167(2), 46. doi:10.3847/1538-3881/ad1244

Depth-to-diameter Ratios of Fresh Craters on the Moon and Implications for Surface Age Estimates

Hoover, R. H., Robbins, S. J., Hynek, B. M., & Hayne, P. O. (2024). Depth-to-diameter Ratios of Fresh Craters on the Moon and Implications for Surface Age Estimates. The Planetary Science Journal, 5(1), 26. doi:10.3847/psj/ad18d4

Quantifying Global Origin-Diagnostic Features and Patterns in Biotic and Abiotic Acyclic Lipids for Life Detection

Buckner, D. K., Anderson, M. J., Wisnosky, S., Alvarado, W., Nuevo, M., Williams, A. J., … Wilhelm, M. B. (2024). Quantifying Global Origin-Diagnostic Features and Patterns in Biotic and Abiotic Acyclic Lipids for Life Detection. Astrobiology, 24(1), 1–35. doi:10.1089/ast.2023.0012

Uncovering supramolecular chirality codes for the design of tunable biomaterials

Klawa, S. J., Lee, M., Riker, K. D., Jian, T., Wang, Q., Gao, Y., … Freeman, R. (2024). Uncovering supramolecular chirality codes for the design of tunable biomaterials. Nature Communications, 15(1), None. doi:10.1038/s41467-024-45019-2

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