NASA Astrobiology



Emerging Trends in Comet Taxonomy. “Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in Icarus

Cycles of Glaciation on Ancient Mars. “Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.

Methane Muted: How Did Early Earth Stay Warm?. “A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS

Emerging Trends in Comet Taxonomy“Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in Icarus01/03

Cycles of Glaciation on Ancient Mars“Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.02/03

Methane Muted: How Did Early Earth Stay Warm?“A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS03/03

NextPrevious

Go Explore

January 2024The Guaymas Basin – A hot spot for hydrothermal generation and anaerobic microbial degradation of hydrocarbons

Teske, A. (2024). The Guaymas Basin – A hot spot for hydrothermal generation and anaerobic microbial degradation of hydrocarbons. International Biodeterioration & Biodegradation, 186, 105700. doi:10.1016/j.ibiod.2023.105700

December 2023A race against the clock: Constraining the timing of cometary bombardment relative to Earth’s growth

Joiret, S., Raymond, S. N., Avice, G., Clement, M. S., Deienno, R., & Nesvorný, D. (2023). A race against the clock: Constraining the timing of cometary bombardment relative to Earth’s growth. Icarus, 406, 115754. doi:10.1016/j.icarus.2023.115754

Radial distribution of distant trans-Neptunian objects points to Sun’s formation in a stellar cluster

Nesvorný, D., Bernardinelli, P., Vokrouhlický, D., & Batygin, K. (2023). Radial distribution of distant trans-Neptunian objects points to Sun’s formation in a stellar cluster. Icarus, 406, 115738. doi:10.1016/j.icarus.2023.115738

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

Distributions of vanadyl and nickel porphyrins in the Woodford Shale and selective chelation of metal species by different tetrapyrrole configurations

Parks, D. R., & Liu, X-L. (2023). Distributions of vanadyl and nickel porphyrins in the Woodford Shale and selective chelation of metal species by different tetrapyrrole configurations. Organic Geochemistry, 186, 104693. doi:10.1016/j.orggeochem.2023.104693

Exploring the initial landing site area of Dragonfly on Titan: Insights into shear failure and strike-slip faulting at Selk crater

Burkhard, L. M. L., & Fagents, S. A. (2023). Exploring the initial landing site area of Dragonfly on Titan: Insights into shear failure and strike-slip faulting at Selk crater. Icarus, 406, 115764. doi:10.1016/j.icarus.2023.115764

Elucidating the morphology and ecology of Eoandromeda octobrachiata from the Ediacaran of South Australia

Botha, T. L., Sherratt, E., Droser, M. L., Gehling, J. G., García-Bellido, D. C. (2023) Elucidating the morphology and ecology of Eoandromeda octobrachiata from the Ediacaran of South Australia; Papers in Paleontology, 9(6), e1530. doi: 10.1002/spp2.1530

Constraining Background N2 Inventories on Directly Imaged Terrestrial Exoplanets to Rule Out O2 False Positives

Hall, S., Krissansen-Totton, J., Robinson, T., Salvador, A. Fortney, J. J. (2023) Constraining Background N2 Inventories on Directly Imaged Terrestrial Exoplanets to Rule Out O2 False Positives, The Astronomical Journal, 166 254. doi: 10.3847/1538-3881/ad03e9

The Importance of the Upper Atmosphere to CO/O2 Runaway on Habitable Planets Orbiting Low-mass Stars

Ranjan, S., Schwieterman, E. W., Leung, M., Harman, C. E., Hu, R. (2023) The Importance of the Upper Atmosphere to CO/O2 Runaway on Habitable Planets Orbiting Low-mass Stars. The Astrophysical Journal Letters, 958 L15. doi: 10.3847/2041-8213/ad037c

November 2023The important role of fluid chemistry in the hydrothermal alteration of ordinary chondrites: Insights from halite and sphalerite in the Sidi El Habib 001 (H5) meteorite

Che, S., Domanik, K. J., Chang, Y-J., & Zega, T. J. (2023). The important role of fluid chemistry in the hydrothermal alteration of ordinary chondrites: Insights from halite and sphalerite in the Sidi El Habib 001 (H5) meteorite. Earth and Planetary Science Letters, 621, 118374. doi:10.1016/j.epsl.2023.118374

1/2/3/4/5/6...451