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 2021Hydrothermal 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

August 2021FISH-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

July 2021The Science Case for a Return to Enceladus

Cable, M. L., Porco, C., Glein, C. R., German, C. R., MacKenzie, S. M., Neveu, M., … Núñez, J. (2021). The Science Case for a Return to Enceladus. The Planetary Science Journal, 2(4), 132. doi:10.3847/psj/abfb7a

April 2021Effects of Amino Acids on Phosphate Adsorption Onto Iron (Oxy)hydroxide Minerals under Early Earth Conditions

Flores, E., Martinez, E., Rodriguez, L. E., Weber, J. M., Khodayari, A., VanderVelde, D. G., & Barge, L. M. (2021). Effects of Amino Acids on Phosphate Adsorption Onto Iron (Oxy)hydroxide Minerals under Early Earth Conditions. ACS Earth and Space Chemistry, 5(5), 1048–1057. doi:10.1021/acsearthspacechem.1c00006

February 2021Tidally Induced Magmatic Pulses on the Oceanic Floor of Jupiter's Moon Europa

Běhounková, M., Tobie, G., Choblet, G., Kervazo, M., Melwani Daswani, M., Dumoulin, C., & Vance, S. D. (2021). Tidally Induced Magmatic Pulses on the Oceanic Floor of Jupiter's Moon Europa. Geophysical Research Letters, 48(3), None. doi:10.1029/2020gl090077

October 2020Entrainment and Dynamics of Ocean‐Derived Impurities Within Europa's Ice Shell

Buffo, J. J., Schmidt, B. E., Huber, C., & Walker, C. C. (2020). Entrainment and Dynamics of Ocean‐Derived Impurities Within Europa's Ice Shell. Journal of Geophysical Research: Planets, 125(10), None. doi:10.1029/2020je006394

Photometrically-corrected global infrared mosaics of Enceladus: New implications for its spectral diversity and geological activity

Robidel, R., Le Mouélic, S., Tobie, G., Massé, M., Seignovert, B., Sotin, C., & Rodriguez, S. (2020). Photometrically-corrected global infrared mosaics of Enceladus: New implications for its spectral diversity and geological activity. Icarus, 349, 113848. doi:10.1016/j.icarus.2020.113848

Microsensors in Icy Environments to Detect Microbial Activities

McGlennen, M., Neubauer, M., Driesler, M., Dieser, M., Foreman, C. M., & Warnat, S. (2020). Microsensors in Icy Environments to Detect Microbial Activities. Journal of Microelectromechanical Systems, 29(5), 853–859. doi:10.1109/jmems.2020.3012420

September 2020The chemical composition of impact craters on Titan

Solomonidou, A., Neish, C., Coustenis, A., Malaska, M., Le Gall, A., Lopes, R. M. C., … Drossart, P. (2020). The chemical composition of impact craters on Titan. Astronomy & Astrophysics, 641, A16. doi:10.1051/0004-6361/202037866

August 2020Heat Production and Tidally Driven Fluid Flow in the Permeable Core of Enceladus

Liao, Y., Nimmo, F., & Neufeld, J. A. (2020). Heat Production and Tidally Driven Fluid Flow in the Permeable Core of Enceladus. Journal of Geophysical Research: Planets, 125(9), None. doi:10.1029/2019je006209

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