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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February 2025Earth Detecting Earth: At What Distance Could Earth’s Constellation of Technosignatures Be Detected with Present-day Technology?

Sheikh, S. Z., Huston, M. J., Fan, P., Wright, J. T., Beatty, T., Martini, C., … Frank, A. (2025). Earth Detecting Earth: At What Distance Could Earth’s Constellation of Technosignatures Be Detected with Present-day Technology? The Astronomical Journal, 169(2), 118. doi:10.3847/1538-3881/ada3c7

Genetic Transfer in Action: Uncovering DNA Flow in an Extremophilic Microbial Community

Van Etten, J. Stephens, T.G., & Bhattacharya, B. (2025) Genetic Transfer in Action: Uncovering DNA Flow in an Extremophilic Microbial Community. Environmental Microbiology, 27(2), e70048. dio:10.1111/1462-2920.70048

Chemical Characterization of Organosulfur Compounds in Aerosols from Archean-Analog Photochemistry: Insights from Liquid Chromatography and High-Resolution Tandem Mass Spectrometry

Christensen, C. M., Reed, N. W., Wing, B. A., McGlynn, S. E., Tolbert, M. A., Browne, E. C., & Surratt, J. D. (2025). Chemical Characterization of Organosulfur Compounds in Aerosols from Archean-Analog Photochemistry: Insights from Liquid Chromatography and High-Resolution Tandem Mass Spectrometry. ACS Earth and Space Chemistry, 9(3), 569–588. doi:10.1021/acsearthspacechem.4c00314

Machine learning models for segmentation and classification of cyanobacterial cells

Huffine, C. A., Maas, Z. L., Avramov, A., Brininger, C. M., Cameron, J. C., & Tay, J. W. (2025). Machine learning models for segmentation and classification of cyanobacterial cells. Photosynthesis Research, 163(1), None. doi:10.1007/s11120-025-01140-x

January 2025Hydrogenotrophic methanogenesis at 7–12 mbar by Methanosarcina barkeri under simulated martian atmospheric conditions

Harris, R. L., & Schuerger, A. C. (2025). Hydrogenotrophic methanogenesis at 7–12 mbar by Methanosarcina barkeri under simulated martian atmospheric conditions. Scientific Reports, 15(1), None. doi:10.1038/s41598-025-86145-1

Obliquity Dependence of Ocean Productivity and Atmospheric CO2 on Earth-like Worlds

Lerner, P., Romanou, A., Way, M., & Colos, C. (2025) Obliquity Dependence of Ocean Productivity and Atmospheric CO2 on Earth-like Worlds. The Astrophysical Journal, 979(234). doi: 10.3847/1538-4357/ada277

Measurement of circular intensity differential scattering (CIDS) from single optically trapped biological particles

Alali, H., Pan, Y-L., Kalume, A., Hu, Y., Surkov, Y., Shkuratov, Y., … Wang, C. (2025). Measurement of circular intensity differential scattering (CIDS) from single optically trapped biological particles. Journal of Quantitative Spectroscopy and Radiative Transfer, 330, 109244. doi:10.1016/j.jqsrt.2024.109244

Jitter Across 15 yr: Leveraging Precise Photometry from Kepler and TESS to Extract Exoplanets from Radial Velocity Time Series

Beard, C., Robertson, P., Lubin, J., Han, T., Holcomb, R., Premnath, P., … Wright, J. T. (2025). Jitter Across 15 yr: Leveraging Precise Photometry from Kepler and TESS to Extract Exoplanets from Radial Velocity Time Series. The Astronomical Journal, 169(2), 92. doi:10.3847/1538-3881/ad9eb0

CEERS: Increasing Scatter along the Star-forming Main Sequence Indicates Early Galaxies Form in Bursts

Cole, J. W., Papovich, C., Finkelstein, S. L., Bagley, M. B., Dickinson, M., Iyer, K. G., … Wilkins, S. M. (2025). CEERS: Increasing Scatter along the Star-forming Main Sequence Indicates Early Galaxies Form in Bursts. The Astrophysical Journal, 979(2), 193. doi:10.3847/1538-4357/ad9a6a

Solar energy resource availability under extreme and historical wildfire smoke conditions

Corwin, K. A., Burkhardt, J., Corr, C. A., Stackhouse, P. W., Munshi, A., & Fischer, E. V. (2025). Solar energy resource availability under extreme and historical wildfire smoke conditions. Nature Communications, 16(1), None. doi:10.1038/s41467-024-54163-8

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