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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March 2025Humidity Enhancement in Dry Permafrost: The Effects of Temperature Cycles on Habitability

Mellon, M. T., Aksay, A. F., Sizemore, H. G., & McKay, C. P. (2025). Humidity Enhancement in Dry Permafrost: The Effects of Temperature Cycles on Habitability. Astrobiology. doi:10.1089/ast.2024.0148

Evaluating Serpentinization as a Source of Phosphite to Microbial Communities in Hydrothermal Vents

Boden, J. S., Som, S. M., Brazelton, W. J., Anderson, R. E., & Stüeken, E. E. (2025). Evaluating Serpentinization as a Source of Phosphite to Microbial Communities in Hydrothermal Vents. Geobiology, 23(2), None. doi:10.1111/gbi.70016

The sensitivity to initial conditions of the co-orbital outcomes of lunar ejecta

Castro-Cisneros, J. D., Malhotra, R., & Rosengren, A. J. (2025). The sensitivity to initial conditions of the co-orbital outcomes of lunar ejecta. Icarus, 429, 116379. doi:10.1016/j.icarus.2024.116379

Mantle Melting Conditions of Mare Lavas on South Pole–Aitken Basin of Lunar Farside

Zhang, Y., Dasgupta, R., Ji, D., Lee, C., Peng, Y., Charlier, B., … Namur, O. (2025). Mantle Melting Conditions of Mare Lavas on South Pole–Aitken Basin of Lunar Farside. Geophysical Research Letters, 52(6), None. doi:10.1029/2024gl112418

Interior Convection Regime, Host Star Luminosity, and Predicted Atmospheric CO2 Abundance in Terrestrial Exoplanets

Affholder, A., Mazevet, S., Sauterey, B., Apai, D., & Ferrière, R. (2025) Interior Convection Regime, Host Star Luminosity, and Predicted Atmospheric CO2 Abundance in Terrestrial Exoplanets. The Astronomical Journal, 169(3). doi:10.3847/1538-3881/ada384

Waste Heat and Habitability: Constraints from Technological Energy Consumption

Balbi, A., & Lingam, M. (2025) Waste Heat and Habitability: Constraints from Technological Energy Consumptiondoi:10.1089/ast.2024.0082. Astrobiology, 25, 1. doi:10.1089/ast.2024.0082

Four Sub-Earth Planets Orbiting Barnard’s Star from MAROON-X and ESPRESSO

Basant, R., Luque, R., Bean, J. L., Seifahrt, A., Brady, M., Zhao, L. L., … Stefánsson, G. (2025). Four Sub-Earth Planets Orbiting Barnard’s Star from MAROON-X and ESPRESSO. The Astrophysical Journal Letters, 982(1), L1. doi:10.3847/2041-8213/adb8d5

The Impact of Extended CO2 Cross Sections on Temperate Anoxic Planet Atmospheres

Broussard, W., Schwieterman, E.W., Sousa-Silva, C., Sanger-Johnson, G., Ranjan, S., & Venot, O. (2025) The Impact of Extended CO2 Cross Sections on Temperate Anoxic Planet Atmospheres. The Astrophysical Journal, 980(2). doi:10.3847/1538-4357/adaaf0

Bioverse: Giant Magellan Telescope and Extremely Large Telescope Direct Imaging and High-resolution Spectroscopy Assessment—Surveying Exo-Earth O2 and Testing the Habitable Zone Oxygen Hypothesis

K. Hardegree-Ullman, K.K., Apai, D., Haffert, S.Y., Schlecker, M., Kasper, M., Kammerer, J., Wagner, K. (2025) Bioverse: Giant Magellan Telescope and Extremely Large Telescope Direct Imaging and High-resolution Spectroscopy Assessment—Surveying Exo-Earth O2 and Testing the Habitable Zone Oxygen Hypothesis. The Astrophysical Journal, 169(3). doi:10.3847/1538-3881/adb02f

Genome duplication in a long-term multicellularity evolution experiment

Tong, K., Datta, S., Cheng, V., Haas, D. J., Gourisetti, S., Yopp, H. L., … Ratcliff, W. C. (2025). Genome duplication in a long-term multicellularity evolution experiment. Nature, 639(8055), 691–699. doi:10.1038/s41586-025-08689-6

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