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 2025Capture of an ancient Charon around Pluto

Denton, C. A., Asphaug, E., Emsenhuber, A., & Melikyan, R. (2025). Capture of an ancient Charon around Pluto. Nature Geoscience, 18(1), 37–43. doi:10.1038/s41561-024-01612-0

Triton and Pluto: Cryovolcanism in the Outer Reaches of Our Solar System

Quick, L. C., Singer, K. N., Ahrens, C., Hansen, C. J., Hofgartner, J. D., Mitchell, K. L., … Umurhan, O. (2025). Triton and Pluto: Cryovolcanism in the Outer Reaches of Our Solar System. Triton and Pluto, None, 3–1–3–28. doi:10.1088/2514-3433/ad5278ch3

Pluto Geologic Map: Use of Crater Data to Understand Age Relationships

Singer, K. N., White, O. L., Greenstreet, S., Moore, J. M., Williams, D. A., & Lopes, R. M. C. (2025). Pluto Geologic Map: Use of Crater Data to Understand Age Relationships. Journal of Geophysical Research: Planets, 130(1), None. doi:10.1029/2024je008533

Development and Evolution of Icy Layer Outcrops on Mars' North Polar Ice Cap: A Sublimation‐Based Framework

Bramson, A. M., Pascuzzo, A. C., Becerra, P., & Mustard, J. F. (2025). Development and Evolution of Icy Layer Outcrops on Mars' North Polar Ice Cap: A Sublimation‐Based Framework. Journal of Geophysical Research: Planets, 130(1), None. doi:10.1029/2024je008360

Polycyclic Aromatic Hydrocarbons as an Extraterrestrial Atmospheric Technosignature

Dubey, D., Kopparapu, R., Ercolano, B., & Molaverdikhani, K. (2025). Polycyclic Aromatic Hydrocarbons as an Extraterrestrial Atmospheric Technosignature. The Planetary Science Journal, 6(1), 4. doi:10.3847/psj/ad98eb

A High-resolution Spectroscopic Survey of Directly Imaged Companion Hosts. I. Determination of Diagnostic Stellar Abundances for Planet Formation and Composition

Baburaj, A., Konopacky, Q. M., Theissen, C. A., Peacock, S., Huseby, L., Fulton, B. J., … Hoch, K. K. W. (2025). A High-resolution Spectroscopic Survey of Directly Imaged Companion Hosts. I. Determination of Diagnostic Stellar Abundances for Planet Formation and Composition. The Astronomical Journal, 169(2), 55. doi:10.3847/1538-3881/ad8dfc

History and Habitability of the LP 890-9 Planetary System

Barnes, R., Do Amaral, L. N. R., Birky, J., Carone, L., Driscoll, P., Livesey, J. R., … Wojack, J. T. (2025). History and Habitability of the LP 890-9 Planetary System. The Planetary Science Journal, 6(1), 25. doi:10.3847/psj/ad94dc

Direct Frequency Comb Cavity Ring-Down Spectroscopy Using Vernier Filtering

Chen, T-L., Markus, C. R., Ober, D. C., Sterczewski, L. A., Huang, Y-J., Lisano, M. T., … Okumura, M. (2025). Direct Frequency Comb Cavity Ring-Down Spectroscopy Using Vernier Filtering. The Journal of Physical Chemistry A, 129(5), 1452–1458. doi:10.1021/acs.jpca.4c05188

Tides on Lava Worlds: Application to Close-in Exoplanets and the Early Earth–Moon System

Farhat, M., Auclair-Desrotour, P., Boué, G., Lichtenberg, T., & Laskar, J. (2025). Tides on Lava Worlds: Application to Close-in Exoplanets and the Early Earth–Moon System. The Astrophysical Journal, 979(2), 133. doi:10.3847/1538-4357/ad9b93

True Mass and Atmospheric Composition of the Nontransiting Hot Jupiter HD 143105 b

Finnerty, L., Xin, Y., Xuan, J. W., Inglis, J., Fitzgerald, M. P., Agrawal, S., … Ji 吉 Wang, 王. (2025). True Mass and Atmospheric Composition of the Nontransiting Hot Jupiter HD 143105 b. The Astronomical Journal, 169(2), 94. doi:10.3847/1538-3881/ada1d9

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