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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November 2019Minimal biomass deposition in banded iron formations inferred from organic matter and clay relationships

Dodd, M. S., Papineau, D., Pirajno, F., Wan, Y., & Karhu, J. A. (2019). Minimal biomass deposition in banded iron formations inferred from organic matter and clay relationships. Nature Communications, 10(1), None. doi:10.1038/s41467-019-12975-z

The Onset of Evolutionary Stalling and the Limit on the Power of Natural Selection to Improve a Cellular Module

Venkataram, S., Monasky, R., Sikaroodi, S. H., Kryazhimskiy, S., & Kaçar, B. (2019). The Onset of Evolutionary Stalling and the Limit on the Power of Natural Selection to Improve a Cellular Module. None. doi:10.1101/850644

The Search for Chiral Asymmetry as a Potential Biosignature in our Solar System

Glavin, D. P., Burton, A. S., Elsila, J. E., Aponte, J. C., & Dworkin, J. P. (2019). The Search for Chiral Asymmetry as a Potential Biosignature in our Solar System. Chemical Reviews. doi:10.1021/acs.chemrev.9b00474

Different Is More: The Value of Finding an Inhabited Planet That Is Far from Earth2.0

Lenardic, A., & Seales, J. (2019). Different Is More: The Value of Finding an Inhabited Planet That Is Far from Earth2.0. Astrobiology, 19(11), 1398–1409. doi:10.1089/ast.2018.1833

Origin and abundances of H2O in the terrestrial planets, Moon, and asteroids

McCubbin, F. M., & Barnes, J. J. (2019). Origin and abundances of H2O in the terrestrial planets, Moon, and asteroids. Earth and Planetary Science Letters, 526, 115771. doi:10.1016/j.epsl.2019.115771

October 2019A Unified Model for Hydrogen in the Earth and Moon: No one expects the Theia Contribution

Desch, S. J., & Robinson, K. L. (2019). A Unified Model for Hydrogen in the Earth and Moon: No one expects the Theia Contribution. Geochemistry. doi:10.1016/j.chemer.2019.125546

Relative Humidity on Mars: New Results from the Phoenix TECP Sensor

Fischer, E., Martínez, G. M., Rennó, N. O., Tamppari, L. K., & Zent, A. P. (2019). Relative Humidity on Mars: New Results from the Phoenix TECP Sensor. Journal of Geophysical Research: Planets. doi:10.1029/2019je006080

Deep Carbon

Deep Carbon (2019). None, None(None), None. doi:10.1017/9781108677950

Statistical analysis of mineral evolution and mineral ecology: The current state and a vision for the future

Hystad, G., Morrison, S. M., & Hazen, R. M. (2019). Statistical analysis of mineral evolution and mineral ecology: The current state and a vision for the future. Applied Computing and Geosciences, 1, 100005. doi:10.1016/j.acags.2019.100005

funtrp: identifying protein positions for variation driven functional tuning

Miller, M., Vitale, D., Kahn, P. C., Rost, B., & Bromberg, Y. (2019). funtrp: identifying protein positions for variation driven functional tuning. Nucleic Acids Research, 47(21), e142–e142. doi:10.1093/nar/gkz818

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