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 2021Investigation of the Origins of Comets as Revealed through Infrared High-resolution Spectroscopy I. Molecular Abundances

Lippi, M., Villanueva, G. L., Mumma, M. J., & Faggi, S. (2021). Investigation of the Origins of Comets as Revealed through Infrared High-resolution Spectroscopy I. Molecular Abundances. The Astronomical Journal, 162(2), 74. doi:10.3847/1538-3881/abfdb7

Exploring habitability with artificial hydrothermal vents

Sanchez, A. M. (2021). Exploring habitability with artificial hydrothermal vents. Nature Reviews Earth & Environment. doi:10.1038/s43017-021-00206-3

A Circumplanetary Disk around PDS70c

Benisty, M., Bae, J., Facchini, S., Keppler, M., Teague, R., Isella, A., … Zurlo, A. (2021). A Circumplanetary Disk around PDS70c. The Astrophysical Journal Letters, 916(1), L2. doi:10.3847/2041-8213/ac0f83

The Effect of a Strong Pressure Bump in the Sun’s Natal Disk: Terrestrial Planet Formation via Planetesimal Accretion Rather than Pebble Accretion

Izidoro, A., Bitsch, B., & Dasgupta, R. (2021). The Effect of a Strong Pressure Bump in the Sun’s Natal Disk: Terrestrial Planet Formation via Planetesimal Accretion Rather than Pebble Accretion. The Astrophysical Journal, 915(1), 62. doi:10.3847/1538-4357/abfe0b

June 2021Genomic and Phenotypic Characterization of Chloracidobacterium Isolates Provides Evidence for Multiple Species

Saini, M. K., Sebastian, A., Shirotori, Y., Soulier, N. T., Garcia Costas, A. M., Drautz-Moses, D. I., … Bryant, D. A. (2021). Genomic and Phenotypic Characterization of Chloracidobacterium Isolates Provides Evidence for Multiple Species. Frontiers in Microbiology, 12, None. doi:10.3389/fmicb.2021.704168

Bayesian analysis of Enceladus’s plume data to assess methanogenesis

Affholder, A., Guyot, F., Sauterey, B., Ferrière, R., & Mazevet, S. (2021). Bayesian analysis of Enceladus’s plume data to assess methanogenesis. Nature Astronomy. doi:10.1038/s41550-021-01372-6

The Energetic Potential for Undiscovered Manganese Metabolisms in Nature

LaRowe, D. E., Carlson, H. K., & Amend, J. P. (2021). The Energetic Potential for Undiscovered Manganese Metabolisms in Nature. Frontiers in Microbiology, 12, None. doi:10.3389/fmicb.2021.636145

Geochemistry and Cosmochemistry of potassium stable isotopes

Wang, K., Li, W., Li, S., Tian, Z., Koefoed, P., & Zheng, X-Y. (2021). Geochemistry and Cosmochemistry of potassium stable isotopes. Geochemistry, None, 125786. doi:10.1016/j.chemer.2021.125786

Draft Genome Sequence of Shewanella sp. Strain BF02_Schw, Isolated from Blood Falls, a Feature Where Subglacial Brine Discharges to the Surface of Taylor Glacier, Antarctica

Boles, B. W., Murdoch, R. W., Ohlsson, I., & Mikucki, J. A. (2021). Draft Genome Sequence of Shewanella sp. Strain BF02_Schw, Isolated from Blood Falls, a Feature Where Subglacial Brine Discharges to the Surface of Taylor Glacier, Antarctica. Microbiology Resource Announcements, 10(22), None. doi:10.1128/mra.01141-20

Stellar Winds Drive Strong Variations in Exoplanet Evaporative Outflow Patterns and Transit Absorption Signatures

Harbach, L. M., Moschou, S. P., Garraffo, C., Drake, J. J., Alvarado-Gómez, J. D., Cohen, O., & Fraschetti, F. (2021). Stellar Winds Drive Strong Variations in Exoplanet Evaporative Outflow Patterns and Transit Absorption Signatures. The Astrophysical Journal, 913(2), 130. doi:10.3847/1538-4357/abf63a

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