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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June 2022Defining and Characterizing Habitable Environments in Ocean World Systems

Glass, J., , ., Dierssen, H., Glein, C., Schmidt, B., & Winebrenner, D. (2022). Defining and Characterizing Habitable Environments in Ocean World Systems. Oceanography. doi:10.5670/oceanog.2021.414

Leveraging Earth Hydrosphere Science in the Search for Life on Ocean Worlds

Hoehler, T., , ., Bowman, J., Craft, K., Willis, P., & Winebrenner, D. (2022). Leveraging Earth Hydrosphere Science in the Search for Life on Ocean Worlds. Oceanography. doi:10.5670/oceanog.2021.412

The importance of silicate vapour in determining the structure, radii, and envelope mass fractions of sub-Neptunes

Misener, W., & Schlichting, H. E. (2022). The importance of silicate vapour in determining the structure, radii, and envelope mass fractions of sub-Neptunes. Monthly Notices of the Royal Astronomical Society, 514(4), 6025–6037. doi:10.1093/mnras/stac1732

Variability in Titan’s Mesospheric HCN and Temperature Structure as Observed by ALMA

Thelen, A. E., Nixon, C. A., Cosentino, R. G., Cordiner, M. A., Teanby, N. A., Newman, C. E., … Charnley, S. B. (2022). Variability in Titan’s Mesospheric HCN and Temperature Structure as Observed by ALMA. The Planetary Science Journal, 3(6), 146. doi:10.3847/psj/ac7050

Biotic induction and microbial ecological dynamics of Oceanic Anoxic Event 2

Connock, G. T., Owens, J. D., & Liu, X-L. (2022). Biotic induction and microbial ecological dynamics of Oceanic Anoxic Event 2. Communications Earth & Environment, 3(1), None. doi:10.1038/s43247-022-00466-x

On the nature of oxygen-isotope heterogeneity of igneous calcium-aluminum-rich inclusions in cv carbonaceous chondrites

Krot, A. N., Nagashima, K., MacPherson, G. J., & Ulyanov, A. A. (2022). On the nature of oxygen-isotope heterogeneity of igneous calcium-aluminum-rich inclusions in cv carbonaceous chondrites. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2022.06.013

Earliest Evidence of Nebular Shock Waves Recorded in a Calcium-Aluminum-rich Inclusion

Mane, P., Wallace, S., Bose, M., Wallace, P., Wadhwa, M., Weber, J., & Zega, T. J. (2022). Earliest Evidence of Nebular Shock Waves Recorded in a Calcium-Aluminum-rich Inclusion. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2022.06.006

EOS-ESTM: A flexible climate model for habitable exoplanets

Biasiotti, L., Simonetti, P., Vladilo, G., Silva, L., Murante, G., Ivanovski, S., … Provenzale, A. (2022). EOS-ESTM: A flexible climate model for habitable exoplanets. Monthly Notices of the Royal Astronomical Society. doi:10.1093/mnras/stac1642

Decoding the dynamics of dental distributions: insights from shark demography and dispersal

Kim, S. L., Yeakel, J. D., Balk, M. A., Eberle, J. J., Zeichner, S., Fieman, D., & Kriwet, J. (2022). Decoding the dynamics of dental distributions: insights from shark demography and dispersal. Proceedings of the Royal Society B: Biological Sciences, 289(1977), None. doi:10.1098/rspb.2022.0808

An essential role for tungsten in the ecology and evolution of a previously uncultivated lineage of anaerobic, thermophilic Archaea

Buessecker, S., Palmer, M., Lai, D., Dimapilis, J., Mayali, X., Mosier, D., … Dodsworth, J. A. (2022). An essential role for tungsten in the ecology and evolution of a previously uncultivated lineage of anaerobic, thermophilic Archaea. Nature Communications, 13(1), None. doi:10.1038/s41467-022-31452-8

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