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

October 2021Calcium isotope cosmochemistry

Valdes, M. C., Bermingham, K. R., Huang, S., & Simon, J. I. (2021). Calcium isotope cosmochemistry. Chemical Geology, 581, 120396. doi:10.1016/j.chemgeo.2021.120396

September 2021Thallium behavior during high-pressure metamorphism in the Western Alps, Europe

Rader, S. T., Gaschnig, R. M., Newby, S. M., Bebout, G. E., Mirakian, M. J., & Owens, J. D. (2021). Thallium behavior during high-pressure metamorphism in the Western Alps, Europe. Chemical Geology, 579, 120349. doi:10.1016/j.chemgeo.2021.120349

One-billion-year-old epibionts highlight symbiotic ecological interactions in early eukaryote evolution

Tang, Q., Pang, K., Li, G., Chen, L., Yuan, X., & Xiao, S. (2021). One-billion-year-old epibionts highlight symbiotic ecological interactions in early eukaryote evolution. Gondwana Research, 97, 22–33. doi:10.1016/j.gr.2021.05.008

August 2021Vanadium isotope evidence for expansive ocean euxinia during the appearance of early Ediacara biota

Fan, H., Ostrander, C. M., Auro, M., Wen, H., & Nielsen, S. G. (2021). Vanadium isotope evidence for expansive ocean euxinia during the appearance of early Ediacara biota. Earth and Planetary Science Letters, 567, 117007. doi:10.1016/j.epsl.2021.117007

July 2021Cellular remains in a ~3.42-billion-year-old subseafloor hydrothermal environment

Cavalazzi, B., Lemelle, L., Simionovici, A., Cady, S. L., Russell, M. J., Bailo, E., … Hofmann, A. (2021). Cellular remains in a ~3.42-billion-year-old subseafloor hydrothermal environment. Science Advances, 7(29), eabf3963. doi:10.1126/sciadv.abf3963

Behavior of the Mo, Tl, and U isotope systems during differentiation in the Kilauea Iki lava lake

Gaschnig, R. M., Rader, S. T., Reinhard, C. T., Owens, J. D., Planavsky, N., Wang, X., … Helz, R. (2021). Behavior of the Mo, Tl, and U isotope systems during differentiation in the Kilauea Iki lava lake. Chemical Geology, 574, 120239. doi:10.1016/j.chemgeo.2021.120239

Modeling global-scale mass flows on the Lagrangian satellites of Dione and Tethys

Umurhan, O. M., Howard, A. D., White, O. L., Schenk, P. M., & Moore, J. M. (2021). Modeling global-scale mass flows on the Lagrangian satellites of Dione and Tethys. Icarus, None, 114612. doi:10.1016/j.icarus.2021.114612

June 2021Bayesian analysis of Enceladus’s plume data to assess methanogenesis

Affholder, A., Guyot, F., Sauterey, B., Ferrière, R., & Mazevet, S. (2021). Bayesian analysis of Enceladus’s plume data to assess methanogenesis. Nature Astronomy. doi:10.1038/s41550-021-01372-6

The Energetic Potential for Undiscovered Manganese Metabolisms in Nature

LaRowe, D. E., Carlson, H. K., & Amend, J. P. (2021). The Energetic Potential for Undiscovered Manganese Metabolisms in Nature. Frontiers in Microbiology, 12, None. doi:10.3389/fmicb.2021.636145

Geochemistry and Cosmochemistry of potassium stable isotopes

Wang, K., Li, W., Li, S., Tian, Z., Koefoed, P., & Zheng, X-Y. (2021). Geochemistry and Cosmochemistry of potassium stable isotopes. Geochemistry, None, 125786. doi:10.1016/j.chemer.2021.125786

1/2/3/4/5/6...381