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 2015Integrated stratigraphic, geochemical, and paleontological late Ediacaran to early Cambrian records from southwestern Mongolia

Smith, E. F., Macdonald, F. A., Petach, T. A., Bold, U., & Schrag, D. P. (2015). Geological Society of America Bulletin, 128(3-4), 442–468. doi:10.1130/b31248.1

Selenium isotope ratios, redox changes and biological productivity across the end-Permian mass extinction

Stüeken, E. E., Foriel, J., Buick, R., & Schoepfer, S. D. (2015). Chemical Geology, 410(None), 28–39. doi:10.1016/j.chemgeo.2015.05.021

Depositional and preservational environments of the Ediacara Member, Rawnsley Quartzite (South Australia): Assessment of paleoenvironmental proxies and the timing of ‘ferruginization’

Tarhan, L. G., Droser, M. L., & Gehling, J. G. (2015). Palaeogeography, Palaeoclimatology, Palaeoecology, 434(None), 4–13. doi:10.1016/j.palaeo.2015.04.026

Protracted development of bioturbation through the early Palaeozoic Era

Tarhan, L. G., Droser, M. L., Planavsky, N. J., & Johnston, D. T. (2015). Nature Geosci, 8(11), 865–869. doi:10.1038/ngeo2537

An examination of the evolution of Ediacaran paleoenvironmental and paleoecological research

Tarhan, L., & Laflamme, M. (2015). Palaeogeography, Palaeoclimatology, Palaeoecology, 434(None), 1–3. doi:10.1016/j.palaeo.2015.04.012

Refining the extraction methodology of carbonate associated sulfate: Evidence from synthetic and natural carbonate samples

Theiling, B. P., & Coleman, M. (2015). Chemical Geology, 411(None), 36–48. doi:10.1016/j.chemgeo.2015.06.018

Adaptation strategies of endolithic chlorophototrophs to survive the hyperarid and extreme solar radiation environment of the Atacama Desert

Wierzchos, J., DiRuggiero, J., Vítek, P., Artieda, O., Souza-Egipsy, V., Škaloud, P., … Tisza, M. (2015). Frontiers in Microbiology, 6(None), None. doi:10.3389/fmicb.2015.00934

Dissolved amino acids in oceanic basaltic basement fluids

Lin, H-T., Amend, J. P., LaRowe, D. E., Bingham, J-P., & Cowen, J. P. (2015). Geochimica et Cosmochimica Acta, 164(None), 175–190. doi:10.1016/j.gca.2015.04.044

August 2015Communication: Spectroscopic consequences of proton delocalization in OCHCO+

Fortenberry, R. C., Yu, Q., Mancini, J. S., Bowman, J. M., Lee, T. J., Crawford, T. D., … Francisco, J. S. (2015). Communication: Spectroscopic consequences of proton delocalization in OCHCO+. The Journal of Chemical Physics, 143(7), 071102. doi:10.1063/1.4929345

15N fractionation in star-forming regions and Solar System objects

Wirström, E. S., Adande, G., Milam, S. N., Charnley, S. B., & Cordiner, M. A. (2015). 15N fractionation in star-forming regions and Solar System objects. Proceedings of the International Astronomical Union, 11(A29A), 271–274. doi:10.1017/s1743921316003033

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