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 2020Phylum‐level diversity of the microbiome of the extremophilic basidiomycete fungus Pisolithus arhizus (Scop.) Rauschert: An island of biodiversity in a thermal soil desert

Cullings, K., Stott, M. B., Marinkovich, N., DeSimone, J., & Bhardwaj, S. (2020). Phylum‐level diversity of the microbiome of the extremophilic basidiomycete fungus Pisolithus arhizus (Scop.) Rauschert: An island of biodiversity in a thermal soil desert. MicrobiologyOpen. doi:10.1002/mbo3.1062

May 202016S rRNA Gene Diversity in the Salt Crust of Salar de Uyuni, Bolivia, the World’s Largest Salt Flat

Pecher, W. T., Martínez, F. L., DasSarma, P., Guzmán, D., & DasSarma, S. (2020). 16S rRNA Gene Diversity in the Salt Crust of Salar de Uyuni, Bolivia, the World’s Largest Salt Flat. Microbiology Resource Announcements, 9(21), None. doi:10.1128/mra.00374-20

An evolutionary system of mineralogy. Part I: Stellar mineralogy (&gt;13 to 4.6 Ga)

Hazen, R. M., & Morrison, S. M. (2020). An evolutionary system of mineralogy. Part I: Stellar mineralogy (&gt;13 to 4.6 Ga). American Mineralogist, 105(5), 627–651. doi:10.2138/am-2020-7173

Root of the Tree: The Significance, Evolution, and Origins of the Ribosome

Bowman, J. C., Petrov, A. S., Frenkel-Pinter, M., Penev, P. I., & Williams, L. D. (2020). Root of the Tree: The Significance, Evolution, and Origins of the Ribosome. Chemical Reviews, 120(11), 4848–4878. doi:10.1021/acs.chemrev.9b00742

Mineralogy and density of Archean volcanic crust in the mantle transition zone

Ko, B., Prakapenka, V., Kunz, M., Prescher, C., Leinenweber, K., & Shim, S-H. (2020). Mineralogy and density of Archean volcanic crust in the mantle transition zone. Physics of the Earth and Planetary Interiors, None, 106490. doi:10.1016/j.pepi.2020.106490

The Prebiotic Provenance of Semi-Aqueous Solvents

Lago, J. L., Burcar, B. T., Hud, N. V., Febrian, R., Mehta, C., Bracher, P. J., … Pasek, M. A. (2020). The Prebiotic Provenance of Semi-Aqueous Solvents. Origins of Life and Evolution of Biospheres. doi:10.1007/s11084-020-09595-9

Prebiotic Syntheses of Noncanonical Nucleosides and Nucleotides

Fialho, D. M., Roche, T. P., & Hud, N. V. (2020). Prebiotic Syntheses of Noncanonical Nucleosides and Nucleotides. Chemical Reviews, 120(11), 4806–4830. doi:10.1021/acs.chemrev.0c00069

A coupled carbon-silicon cycle model over Earth history: Reverse weathering as a possible explanation of a warm mid-Proterozoic climate

Krissansen-Totton, J., & Catling, D. C. (2020). A coupled carbon-silicon cycle model over Earth history: Reverse weathering as a possible explanation of a warm mid-Proterozoic climate. Earth and Planetary Science Letters, 537, 116181. doi:10.1016/j.epsl.2020.116181

The Hypopiezotolerant Bacterium, Serratia liquefaciens, Failed to Grow in Mars Analog Soils under Simulated Martian Conditions at 7 hPa

Schuerger, A. C., Mickol, R. L., & Schwendner, P. (2020). The Hypopiezotolerant Bacterium, Serratia liquefaciens, Failed to Grow in Mars Analog Soils under Simulated Martian Conditions at 7 hPa. Life, 10(6), 77. doi:10.3390/life10060077

Streaming Instability in Turbulent Protoplanetary Disks

Umurhan, O. M., Estrada, P. R., & Cuzzi, J. N. (2020). Streaming Instability in Turbulent Protoplanetary Disks. The Astrophysical Journal, 895(1), 4. doi:10.3847/1538-4357/ab899d

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