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 2025Investigations of the Sinus Aestuum DMD: An Anomalously Large and Compositionally Distinct Lunar Pyroclastic Deposit

Sikes, C. T., Sunshine, J. M., & Newcombe, M. E. (2025). Investigations of the Sinus Aestuum DMD: An Anomalously Large and Compositionally Distinct Lunar Pyroclastic Deposit. Journal of Geophysical Research: Planets, 130(9), None. doi:10.1029/2024je008919

Simulating the (99942) Apophis Earth Flyby Using a Contact Binary Model

Wang, H-S., Sánchez, P., & Scheeres, D. J. (2025). Simulating the (99942) Apophis Earth Flyby Using a Contact Binary Model. The Planetary Science Journal, 6(8), 202. doi:10.3847/psj/adf73f

Draft genome of co-cultured Melainabacteria sp. 17Bon1m

Abresch, H., Miller, S. Bick, K., Miller, S. (2024) Draft genome of co-cultured Melainabacteria sp. 17Bon1m. Microbiology Resource Announcements, 13(2). doi: 10.1128/mra.01002-23

Genetic Predisposition Toward Multicellularity in Chlamydomonas reinhardtii

Chen, C.K., Khatri, S., Herron, M.D., Rosenzweig, F. (2025) Genetic Predisposition Toward Multicellularity in Chlamydomonas reinhardtii. Genome Biology and Evolution, 17(6). ,doi: 10.1093/gbe/evaf090

Emergence of a multilocus mutator genotype in mutator Escherichia coli experimental populations under repeated lethal selection

Elgrail, M.M., Sprouffske, K., Dartey, J.O., Garcia, A.M. (2024) Emergence of a multilocus mutator genotype in mutator Escherichia coli experimental populations under repeated lethal selection. Journal of Evolutionary Biology, 37(3), 346-352. doi: 10.1093/jeb/voae007

CO Detected in CI Tau b: Hot Start Implied by Planet Mass and MK

Flagg, L. (2019) CO Detected in CI Tau b: Hot Start Implied by Planet Mass and MK. The Astrophysical Journal Letters, 878(L37). doi: 10.3847/2041-8213/ab276d

Polygenic Adaptation and Clonal Interference Enable Sustained Diversity in Experimental Pseudomonas aeruginosa Populations

Harris, K.B., Flynn, K.M., Cooper, V.S. (2021) Polygenic Adaptation and Clonal Interference Enable Sustained Diversity in Experimental Pseudomonas aeruginosa Populations. Molecular Biology and Evolution, 38(12), 5359–5375. doi: 10.1093/molbev/msab248

Between a Rock and a Soft Place: Biomass δ15N Values of Yellowstone Hot Spring Microbial Communities and Their Potential for Preservation in the Rock Record

Havig, J.R., and Hamilton, T.L. (2025) Between a Rock and a Soft Place: Biomass δ15N Values of Yellowstone Hot Spring Microbial Communities and Their Potential for Preservation in the Rock Record. JGR Biogeosciences, 130(8). doi: 10.1029/2024JG008136

Measurement of Photochemical Haze Refractive Indices and Hygroscopicity: Influence of CO2 in CH4/H2S/N2 Mixtures

Jansen, K.T., Reed, N.W., Browne, E.C., Tolbert, M.A. (2025) Measurement of Photochemical Haze Refractive Indices and Hygroscopicity: Influence of CO2 in CH4/H2S/N2 Mixtures. Astrobiology, 25(6). doi: 10.1089/ast.2024.0142

Hidden resources in the Escherichia coli genome restore PLP synthesis and robust growth after deletion of the essential gene pdxB

Kim, J., Flood, J., Kristofich, M.R., Copley, S.D. (2019) Hidden resources in the Escherichia coli genome restore PLP synthesis and robust growth after deletion of the essential gene pdxB, PNAS, 116 (48), 24164-24173. doi: 10.1073/pnas.1915569116

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