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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September 2021Thallium behavior during high-pressure metamorphism in the Western Alps, Europe

Rader, S. T., Gaschnig, R. M., Newby, S. M., Bebout, G. E., Mirakian, M. J., & Owens, J. D. (2021). Thallium behavior during high-pressure metamorphism in the Western Alps, Europe. Chemical Geology, 579, 120349. doi:10.1016/j.chemgeo.2021.120349

UMaMI: A New Frontiers-style Mission Concept to Explore the Uranian System

Leonard, E. J., et al. (2021). MaMI: A New Frontiers-style Mission Concept to Explore the Uranian System. The Planetary Science Journal, 2, 174. doi: 10.3847/PSJ/ac0e3b

Directed evolution of rRNA improves translation kinetics and recombinant protein yield

Liu, F., Bratulić, S., Costello, A., Miettinen, T. P., Badran, A. H. (2021). Directed evolution of rRNA improves translation kinetics and recombinant protein yield. Nature Communications, 12, 5638. doi: 10.1038/s41467-021-25852-5

Hydrothermal Experiments with Protonated Benzylamines Provide Predictions of Temperature-Dependent Deamination Rates for Geochemical Modeling

Robinson, K. J., et al. (2021) Hydrothermal Experiments with Protonated Benzylamines Provide Predictions of Temperature-Dependent Deamination Rates for Geochemical Modeling, ACS Earth Space Chemistry, 5, 8. doi: 10.1021/acsearthspacechem.1c00104

One-billion-year-old epibionts highlight symbiotic ecological interactions in early eukaryote evolution

Tang, Q., Pang, K., Li, G., Chen, L., Yuan, X., & Xiao, S. (2021). One-billion-year-old epibionts highlight symbiotic ecological interactions in early eukaryote evolution. Gondwana Research, 97, 22–33. doi:10.1016/j.gr.2021.05.008

August 2021Separations of Carbohydrates with Noncovalent Shift Reagents by Frequency-Modulated Ion Mobility-Orbitrap Mass Spectrometry

McKenna, K. R., Clowers, B. H., Krishnamurthy, R., Liotta, C. L., & Fernández, F. M. (2021). Separations of Carbohydrates with Noncovalent Shift Reagents by Frequency-Modulated Ion Mobility-Orbitrap Mass Spectrometry. Journal of the American Society for Mass Spectrometry. doi:10.1021/jasms.1c00184

Potential role for microbial ureolysis in the rapid formation of carbonate tufa mounds

Medina Ferrer, F., Rosen, M. R., Feyhl‐Buska, J., Russell, V. V., Sønderholm, F., Loyd, S., … Corsetti, F. A. (2021). Potential role for microbial ureolysis in the rapid formation of carbonate tufa mounds. Geobiology. doi:10.1111/gbi.12467

The Io GIS Database 1.0: A Proto-Io Planetary Spatial Data Infrastructure

Williams, D. A., Nelson, D. M., & Milazzo, M. P. (2021). The Io GIS Database 1.0: A Proto-Io Planetary Spatial Data Infrastructure. The Planetary Science Journal, 2(4), 148. doi:10.3847/psj/ac097f

Vanadium isotope evidence for expansive ocean euxinia during the appearance of early Ediacara biota

Fan, H., Ostrander, C. M., Auro, M., Wen, H., & Nielsen, S. G. (2021). Vanadium isotope evidence for expansive ocean euxinia during the appearance of early Ediacara biota. Earth and Planetary Science Letters, 567, 117007. doi:10.1016/j.epsl.2021.117007

FISH-TAMB, a Fixation-Free mRNA Fluorescent Labeling Technique to Target Transcriptionally Active Members in Microbial Communities

Harris, R. L., Vetter, M. C. Y. L., Van Heerden, E., Cason, E., Vermeulen, J-G., Taneja, A., … Onstott, T. C. (2021). FISH-TAMB, a Fixation-Free mRNA Fluorescent Labeling Technique to Target Transcriptionally Active Members in Microbial Communities. Microbial Ecology. doi:10.1007/s00248-021-01809-5

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