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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October 2021Reconciling evidence of oxidative weathering and atmospheric anoxia on Archean Earth

Johnson, A. C., Ostrander, C. M., Romaniello, S. J., Reinhard, C. T., Greaney, A. T., Lyons, T. W., & Anbar, A. D. (2021). Reconciling evidence of oxidative weathering and atmospheric anoxia on Archean Earth. Science Advances, 7(40), None. doi:10.1126/sciadv.abj0108

Biophysical Characterization of Iron-Sulfur Proteins

Jagilinki, B., Paluy, I., Tyryshkin, A., Nanda, V., & Noy, D. (2021). Biophysical Characterization of Iron-Sulfur Proteins. BIO-PROTOCOL, 11(20), None. doi:10.21769/bioprotoc.4202

Phosphorus mineral evolution and prebiotic chemistry: From minerals to microbes

Walton, C. R., Shorttle, O., Jenner, F. E., Williams, H. M., Golden, J., Morrison, S. M., … Pasek, M. (2021). Phosphorus mineral evolution and prebiotic chemistry: From minerals to microbes. Earth-Science Reviews, 221, 103806. doi:10.1016/j.earscirev.2021.103806

Complementary nucleosynthetic isotope anomalies of Mo and W in chondrules and matrix in the Allende carbonaceous chondrite: The case for hydrothermal metamorphism and its implications

Sanders, I. S., Scott, E. R. D., & Krot, A. (2021). Complementary nucleosynthetic isotope anomalies of Mo and W in chondrules and matrix in the Allende carbonaceous chondrite: The case for hydrothermal metamorphism and its implications. Meteoritics & Planetary Science. doi:10.1111/maps.13742

Isotope effect on the sublimation curves and binding energies of 12CO and 13CO interstellar ice analogs

Smith, L. R., Gudipati, M. S., Smith, R. L., & Lewis, R. D. (2021). Isotope effect on the sublimation curves and binding energies of 12CO and 13CO interstellar ice analogs. Astronomy & Astrophysics. doi:10.1051/0004-6361/202141529

Report Series: Committee on Planetary Protection

, ., , ., , ., , ., , ., & , . (2021). Report Series: Committee on Planetary Protection. None. doi:10.17226/26336

Microbial Communities in a Serpentinizing Aquifer Are Assembled through Strong Concurrent Dispersal Limitation and Selection

Putman, L. I., Sabuda, M. C., Brazelton, W. J., Kubo, M. D., Hoehler, T. M., McCollom, T. M., … Schrenk, M. O. (2021). Microbial Communities in a Serpentinizing Aquifer Are Assembled through Strong Concurrent Dispersal Limitation and Selection. mSystems, 6(5), None. doi:10.1128/msystems.00300-21

Complete genome of the thermophilic purple sulfur Bacterium Thermochromatium tepidum compared to Allochromatium vinosum and other Chromatiaceae

Sattley, W. M., Swingley, W. D., Burchell, B. M., Dewey, E. D., Hayward, M. K., Renbarger, T. L., … Madigan, M. T. (2021). Complete genome of the thermophilic purple sulfur Bacterium Thermochromatium tepidum compared to Allochromatium vinosum and other Chromatiaceae. Photosynthesis Research. doi:10.1007/s11120-021-00870-y

Calcium isotope cosmochemistry

Valdes, M. C., Bermingham, K. R., Huang, S., & Simon, J. I. (2021). Calcium isotope cosmochemistry. Chemical Geology, 581, 120396. doi:10.1016/j.chemgeo.2021.120396

September 2021Phosphine Generation Pathways on Rocky Planets

Omran, A., Oze, C., Jackson, B., Mehta, C., Barge, L. M., Bada, J., & Pasek, M. A. (2021). Phosphine Generation Pathways on Rocky Planets. Astrobiology. doi:10.1089/ast.2021.0034

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