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 2025Discovery and Characterization of an Eccentric, Warm Saturn Transiting the Solar Analog TOI-4994*

Rodríguez Martínez, R., Eastman, J. D., Collins, K. A., Rodriguez, J. E., Charbonneau, D., Quinn, S. N., … Mireles, I. (2025). Discovery and Characterization of an Eccentric, Warm Saturn Transiting the Solar Analog TOI-4994*. The Astronomical Journal, 169(2), 72. doi:10.3847/1538-3881/ad9b90

Amplicon Sequencing Reveals Diversity in Spatially Separated Microbial Communities in the Icelandic Mars Analog Environment Mælifellssandur

Tan, G., LeCates, C. N., Simpson, A., Holtzen, S., Parris, D. J., Stewart, F. J., … , . (2025). Amplicon Sequencing Reveals Diversity in Spatially Separated Microbial Communities in the Icelandic Mars Analog Environment Mælifellssandur. Astrobiology. doi:10.1089/ast.2023.0124

TOI-4504: Exceptionally Large Transit Timing Variations Induced by Two Resonant Warm Gas Giants in a Three-planet System

Vítková, M., Brahm, R., Trifonov, T., Kabáth, P., Jordán, A., Henning, T., … Skarka, M. (2025). TOI-4504: Exceptionally Large Transit Timing Variations Induced by Two Resonant Warm Gas Giants in a Three-planet System. The Astrophysical Journal Letters, 978(2), L22. doi:10.3847/2041-8213/ad9a53

Multi-wavelength global maps of Jupiter and Saturn using Cassini imaging system data

Wang, X., Li, L., Jiang, X., & West, R. A. (2025). Multi-wavelength global maps of Jupiter and Saturn using Cassini imaging system data. Scientific Data, 12(1), None. doi:10.1038/s41597-025-04392-3

Single-Crystal Elasticity of α-Hydroquinone─An Analogue for Organic Planetary Materials

Zhang, J. S., Zhou, W-Y., Vu, T. H., Hodyss, R., & Yu, X. (2025). Single-Crystal Elasticity of α-Hydroquinone─An Analogue for Organic Planetary Materials. ACS Earth and Space Chemistry, 9(1), 1–7. doi:10.1021/acsearthspacechem.4c00322

Potential Technosignature from Anomalously Low Deuterium/Hydrogen in Planetary Water Depleted by Nuclear Fusion Technology

Catling, D. C., Krissansen-Totton, J., & Robinson, T. D. (2025). Potential Technosignature from Anomalously Low Deuterium/Hydrogen in Planetary Water Depleted by Nuclear Fusion Technology. The Astrophysical Journal, 979(2), 137. doi:10.3847/1538-4357/ad99a9

Metabolic Responses, Cell Recoverability, and Protein Signatures of Three Extremophiles: Sustained Life During Long-Term Subzero Incubations

Ewert, M., Nunn, B. L., Firth, E., & Junge, K. (2025). Metabolic Responses, Cell Recoverability, and Protein Signatures of Three Extremophiles: Sustained Life During Long-Term Subzero Incubations. Microorganisms, 13(2), 251. doi:10.3390/microorganisms13020251

Complex bacterial diversity of Guaymas Basin hydrothermal sediments revealed by synthetic long-read sequencing (LoopSeq)

Hinkle, J. E., Chanton, J. P., Moynihan, M. A., Ruff, S. E., & Teske, A. (2025). Complex bacterial diversity of Guaymas Basin hydrothermal sediments revealed by synthetic long-read sequencing (LoopSeq). Frontiers in Microbiology, 15, None. doi:10.3389/fmicb.2024.1491488

Energetic and genomic potential for hydrogenotrophic, formatotrophic, and acetoclastic methanogenesis in surface-expressed serpentinized fluids of the Samail Ophiolite

Howells, A. E. G., Quinn, L. M., Silva, M. G., Akiyama, K., Fifer, L. M., Boyer, G., … Hoehler, T. M. (2025). Energetic and genomic potential for hydrogenotrophic, formatotrophic, and acetoclastic methanogenesis in surface-expressed serpentinized fluids of the Samail Ophiolite. Frontiers in Microbiology, 15, None. doi:10.3389/fmicb.2024.1523912

Increased Surface Temperatures of Habitable White Dwarf Worlds Relative to Main-sequence Exoplanets

Shields, A. L., Wolf, E. T., Agol, E., & Tremblay, P-E. (2025). Increased Surface Temperatures of Habitable White Dwarf Worlds Relative to Main-sequence Exoplanets. The Astrophysical Journal, 979(1), 45. doi:10.3847/1538-4357/ad9827

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