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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June 2018The First Naked-eye Superflare Detected from Proxima Centauri

Howard, W. S., Tilley, M. A., Corbett, H., Youngblood, A., Loyd, R. O. P., Ratzloff, J. K., … Haislip, J. (2018). The First Naked-eye Superflare Detected from Proxima Centauri. The Astrophysical Journal, 860(2), L30. doi:10.3847/2041-8213/aacaf3

A possible path to prebiotic peptides involving silica and hydroxy acid-mediated amide bond formation

McKee, A. D., Orlando, T. M., Hud, N. V., Bennett, C., Saydjari, A. K., & Solano, M. (2018). A possible path to prebiotic peptides involving silica and hydroxy acid-mediated amide bond formation. ChemBioChem. doi:10.1002/cbic.201800217

The Exoplanet Population Observation Simulator. I. The Inner Edges of Planetary Systems

Mulders, G. D., Pascucci, I., Apai, D., & Ciesla, F. J. (2018). The Exoplanet Population Observation Simulator. I. The Inner Edges of Planetary Systems. The Astronomical Journal, 156(1), 24. doi:10.3847/1538-3881/aac5ea

Macromolecular organic compounds from the depths of Enceladus

Postberg, F., Khawaja, N., Abel, B., Choblet, G., Glein, C. R., Gudipati, M. S., … Hunter Waite, J. (2018). Macromolecular organic compounds from the depths of Enceladus. Nature, 558(7711), 564–568. doi:10.1038/s41586-018-0246-4

Life's Biological Chemistry: A Destiny or Destination Starting from Prebiotic Chemistry?

Krishnamurthy, R. (2018). Life's Biological Chemistry: A Destiny or Destination Starting from Prebiotic Chemistry? Chemistry - A European Journal. doi:10.1002/chem.201801847

Bacillus safensis FO-36b and Bacillus pumilus SAFR-032: a whole genome comparison of two spacecraft assembly facility isolates

Tirumalai, M. R., Stepanov, V. G., Wünsche, A., Montazari, S., Gonzalez, R. O., Venkateswaran, K., & Fox, G. E. (2018). Bacillus safensis FO-36b and Bacillus pumilus SAFR-032: a whole genome comparison of two spacecraft assembly facility isolates. BMC Microbiology, 18(1), None. doi:10.1186/s12866-018-1191-y

Intensified chemical weathering during the Permian-Triassic transition recorded in terrestrial and marine successions

Cao, Y., Song, H., Algeo, T. J., Chu, D., Du, Y., Tian, L., … Tong, J. (2018). Intensified chemical weathering during the Permian-Triassic transition recorded in terrestrial and marine successions. Palaeogeography, Palaeoclimatology, Palaeoecology. doi:10.1016/j.palaeo.2018.06.012

Hypervelocity cratering and disruption of the Northwest Africa 869 ordinary chondrite meteorite: Implications for crater production, catastrophic disruption, momentum transfer and dust production on asteroids

Flynn, G. J., Durda, D. D., Patmore, E. B., Jack, S. J., Molesky, M. J., May, B. A., … Macke, R. J. (2018). Hypervelocity cratering and disruption of the Northwest Africa 869 ordinary chondrite meteorite: Implications for crater production, catastrophic disruption, momentum transfer and dust production on asteroids. Planetary and Space Science. doi:10.1016/j.pss.2018.06.019

The development and metamorphosis of the indirect developing acorn worm Schizocardium californicum (Enteropneusta: Spengelidae)

Gonzalez, P., Jiang, J. Z., & Lowe, C. J. (2018). The development and metamorphosis of the indirect developing acorn worm Schizocardium californicum (Enteropneusta: Spengelidae). Frontiers in Zoology, 15(1), None. doi:10.1186/s12983-018-0270-0

Bias in carbon concentration and δ 13 C measurements of organic matter due to cleaning treatments with organic solvents

Muller, É., Thomazo, C., Stüeken, E. E., Hallmann, C., Leider, A., Chaduteau, C., … Ader, M. (2018). Bias in carbon concentration and δ 13 C measurements of organic matter due to cleaning treatments with organic solvents. Chemical Geology. doi:10.1016/j.chemgeo.2018.06.018

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