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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December 2023Life on the Edge: The Cambrian Marine Realm and Oxygenation

Pruss, S. B., & Gill, B. C. (2023). Life on the Edge: The Cambrian Marine Realm and Oxygenation. Annual Review of Earth and Planetary Sciences, 52(1), None. doi:10.1146/annurev-earth-031621-070316

Using artificial intelligence to transform astrobiology

Scharf, C. A., Mayer, M. H., & Boston, P. J. (2023). Using artificial intelligence to transform astrobiology. Nature Astronomy, 8(1), 8–9. doi:10.1038/s41550-023-02159-7

Investigation of Titan’s South Polar HCN Cloud during Southern Fall Using Microphysical Modeling

Hanson, L. E., Waugh, D., Barth, E., & Anderson, C. M. (2023). Investigation of Titan’s South Polar HCN Cloud during Southern Fall Using Microphysical Modeling. The Planetary Science Journal, 4(12), 237. doi:10.3847/psj/ad0837

Sharing calibration information among laser-induced breakdown spectroscopy instruments using spectral line binning and calibration transfer

Lepore, K. H., Dyar, M. D., & Ytsma, C. R. (2023). Sharing calibration information among laser-induced breakdown spectroscopy instruments using spectral line binning and calibration transfer. Spectrochimica Acta Part B: Atomic Spectroscopy, None, 106839. doi:10.1016/j.sab.2023.106839

Ethene-ethanol ratios as potential indicators of hydrothermal activity at Enceladus, Europa, and other icy ocean worlds

Robinson, K. J., Hartnett, H. E., Gould, I. R., & Shock, E. L. (2023). Ethene-ethanol ratios as potential indicators of hydrothermal activity at Enceladus, Europa, and other icy ocean worlds. Icarus, 406, 115765. doi:10.1016/j.icarus.2023.115765

Low effective ultraviolet exposure ages for organics at the surface of Enceladus

Hendrix, A. R., & House, C. H. (2023). Low effective ultraviolet exposure ages for organics at the surface of Enceladus. Communications Earth & Environment, 4(1), None. doi:10.1038/s43247-023-01130-8

An Efficient Numerical Approach to Modeling the Effects of Particle Shape on Rubble-pile Dynamics

Marohnic, J. C., DeMartini, J. V., Richardson, D. C., Zhang, Y., & Walsh, K. J. (2023). An Efficient Numerical Approach to Modeling the Effects of Particle Shape on Rubble-pile Dynamics. The Planetary Science Journal, 4(12), 245. doi:10.3847/psj/ad0467

A Complex Region of Europa's Surface With Hints of Recent Activity Revealed by Juno's Stellar Reference Unit

Becker, H. N., Lunine, J. I., Schenk, P. M., Florence, M. M., Brennan, M. J., Hansen, C. J., … Alexander, J. W. (2023). A Complex Region of Europa's Surface With Hints of Recent Activity Revealed by Juno's Stellar Reference Unit. Journal of Geophysical Research: Planets, 128(12), None. doi:10.1029/2023je008105

Streamlined Arsenolipid Identification via Direct Arsenic Detection Using RPLC-ESI-QTOF-MS with Collision-Induced Dissociation

Liu, X-L. (2023). Streamlined Arsenolipid Identification via Direct Arsenic Detection Using RPLC-ESI-QTOF-MS with Collision-Induced Dissociation. Journal of the American Society for Mass Spectrometry. doi:10.1021/jasms.3c00367

Single-cell analysis in hypersaline brines predicts a water-activity limit of microbial anabolic activity

Paris, E. R., Arandia-Gorostidi, N., Klempay, B., Bowman, J. S., Pontefract, A., Elbon, C. E., … Dekas, A. E. (2023). Single-cell analysis in hypersaline brines predicts a water-activity limit of microbial anabolic activity. Science Advances, 9(51), None. doi:10.1126/sciadv.adj3594

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