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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July 2025Forcing Planets to Evolve: Interactions between Uranus and Neptune at Late Stages of Dynamical Evolution

Hermosillo Ruiz, A., Murray-Clay, R., Volk, K., & Pike, R. E. (2025). Forcing Planets to Evolve: Interactions between Uranus and Neptune at Late Stages of Dynamical Evolution. The Astrophysical Journal, 987(2), 125. doi:10.3847/1538-4357/add6a1

Introduction to the Life Detection Knowledge Base Project

Hoehler, T. M., Davila, A., Parenteau, N., Quinn, R., Des Marais, D., Shkolyar, S., … Pohorille, A. (2025). Introduction to the Life Detection Knowledge Base Project. Astrobiology, 25(7), 451–453. doi:10.1089/ast.2024.0107

In Memoriam: Professor Andrzej (Andrew) Pohorille (May 14, 1949, to January 6, 2024): A Legacy in Astrobiology and Computational Science

Karouia, F., Wilson, M., Schweighofer, K., Chipot, C., Hoehler, T., & Sokolowska, J. (2025). In Memoriam: Professor Andrzej (Andrew) Pohorille (May 14, 1949, to January 6, 2024): A Legacy in Astrobiology and Computational Science. Astrobiology, 25(7), 498–500. doi:10.1089/ast.2025.0001

Life Detection Knowledge Base: Assessment Criteria for Potential Biosignatures

Parenteau, N., Hoehler, T., Davila, A., Getty, S., Lau, G., Neveu, M., … Pohorille, A. (2025). Life Detection Knowledge Base: Assessment Criteria for Potential Biosignatures. Astrobiology. doi:10.1089/ast.2024.0104

Differential Partitioning Behavior of Chondritic Organics in Enceladus Analog Ices

Vu, T. H., Phillips-Lander, C. M., Czaplinski, E. C., Malaska, M. J., & Marshall, C. P. (2025). Differential Partitioning Behavior of Chondritic Organics in Enceladus Analog Ices. ACS Earth and Space Chemistry. doi:10.1021/acsearthspacechem.5c00041

A Terminology and Quantitative Framework for Assessing the Habitability of Solar System and Extraterrestrial Worlds

Apai, D., Barnes, R., Murphy, M. M., Lichtenberg, T., Tuchow, N., Ferrière, R., … , . (2025). A Terminology and Quantitative Framework for Assessing the Habitability of Solar System and Extraterrestrial Worlds. The Planetary Science Journal, 6(7), 165. doi:10.3847/psj/addda8

Cold Jupiters and small planets: Friends, foes, or indifferent? A search for correlations with the largest exoplanet samples

Bonomo, A. S., Naponiello, L., Pezzetta, E., Sozzetti, A., Gandolfi, D., Wittenmyer, R., & Pinamonti, M. (2025). Cold Jupiters and small planets: Friends, foes, or indifferent? A search for correlations with the largest exoplanet samples. Astronomy & Astrophysics. doi:10.1051/0004-6361/202452523

Diving DEEP into the Kuiper Belt: Dynamical Analysis of Newly Discovered TNOs

Spencer, D., Kathryn, V., Pedro, B., David, T., Darin, R., Renu, M., & , . (2025). Diving DEEP into the Kuiper Belt: Dynamical Analysis of Newly Discovered TNOs. None. doi:10.5194/epsc-dps2025-1013

Europa’s Sodium and Potassium Exosphere during Juno’s Flyby

Lovett, E., Schmidt, C., & Lierle, P. (2025). Europa’s Sodium and Potassium Exosphere during Juno’s Flyby. The Planetary Science Journal, 6(7), 178. doi:10.3847/psj/adeb52

Simulating Science Operations for a Joint Rover-helicopter Mission Architecture in a Mars Analog Setting

Stack, K. M., Francis, R., Calef, F. J., Gwizd, S. J., Schroeder, J. F., Voigt, J. R. C., … Hamilton, C. W. (2025). Simulating Science Operations for a Joint Rover-helicopter Mission Architecture in a Mars Analog Setting. The Planetary Science Journal, 6(7), 173. doi:10.3847/psj/ade786

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