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 2022Wet streaks in the McMurdo Dry Valleys, Antarctica: Implications for Recurring Slope Lineae on Mars

Toner, J. D., Sletten, R. S., Liu, L., Catling, D. C., Ming, D. W., Mushkin, A., & Lin, P-C. (2022). Wet streaks in the McMurdo Dry Valleys, Antarctica: Implications for Recurring Slope Lineae on Mars. Earth and Planetary Science Letters, 589, 117582. doi:10.1016/j.epsl.2022.117582

Icy Grain Mantle Surface Astrochemistry of MgNC: The Emergence of Metal Ion Catalysis Studied via Model Ice Cluster Calculations

Woon, D. E. (2022). Icy Grain Mantle Surface Astrochemistry of MgNC: The Emergence of Metal Ion Catalysis Studied via Model Ice Cluster Calculations. The Journal of Physical Chemistry A, 126(31), 5186–5194. doi:10.1021/acs.jpca.2c01739

On the paragenetic modes of minerals: A mineral evolution perspective

Hazen, R. M., & Morrison, S. M. (2022). On the paragenetic modes of minerals: A mineral evolution perspective. American Mineralogist, 107(7), 1262–1287. doi:10.2138/am-2022-8099

Lumping and splitting: Toward a classification of mineral natural kinds

Hazen, R. M., Morrison, S. M., Krivovichev, S. V., & Downs, R. T. (2022). Lumping and splitting: Toward a classification of mineral natural kinds. American Mineralogist, 107(7), 1288–1301. doi:10.2138/am-2022-8105

Controls on Reactive Oxygen Species Cycles in Yellowstone Hot Springs: Implications for Biosignature Preservation on Mars

Hinman, N. W., Mave, M. A., Powers, L. C., Schmitt-Kopplin, P., Cabrol, N. A., & Gonsior, M. (2022). Controls on Reactive Oxygen Species Cycles in Yellowstone Hot Springs: Implications for Biosignature Preservation on Mars. Frontiers in Astronomy and Space Sciences, 9, None. doi:10.3389/fspas.2022.727015

Islands Within Islands: Bacterial Phylogenetic Structure and Consortia in Hawaiian Lava Caves and Fumaroles

Prescott, R. D., Zamkovaya, T., Donachie, S. P., Northup, D. E., Medley, J. J., Monsalve, N., … Boston, P. J. (2022). Islands Within Islands: Bacterial Phylogenetic Structure and Consortia in Hawaiian Lava Caves and Fumaroles. Frontiers in Microbiology, 13, None. doi:10.3389/fmicb.2022.934708

Sources and Fluxes of Organic Carbon and Energy to Microorganisms in Global Marine Sediments

Bradley, J. A., Arndt, S., Amend, J. P., Burwicz-Galerne, E., & LaRowe, D. E. (2022). Sources and Fluxes of Organic Carbon and Energy to Microorganisms in Global Marine Sediments. Frontiers in Microbiology, 13, None. doi:10.3389/fmicb.2022.910694

Anoxic photochemical weathering of pyrite on Archean continents

Hao, J., Liu, W., Goff, J. L., Steadman, J. A., Large, R. R., Falkowski, P. G., & Yee, N. (2022). Anoxic photochemical weathering of pyrite on Archean continents. Science Advances, 8(26), None. doi:10.1126/sciadv.abn2226

Evaluating the Evidence for Water World Populations Using Mixture Models

Neil, A. R., Liston, J., & Rogers, L. A. (2022). Evaluating the Evidence for Water World Populations Using Mixture Models. The Astrophysical Journal, 933(1), 63. doi:10.3847/1538-4357/ac609b

The Volatile Carbon-to-oxygen Ratio as a Tracer for the Formation Locations of Interstellar Comets

Seligman, D. Z., Rogers, L. A., Cabot, S. H. C., Noonan, J. W., Kareta, T., Mandt, K. E., … Clepper, E. V. (2022). The Volatile Carbon-to-oxygen Ratio as a Tracer for the Formation Locations of Interstellar Comets. The Planetary Science Journal, 3(7), 150. doi:10.3847/psj/ac75b5

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