Astrobiology130- Page

In the icy high-altitude valleys of Ladakh, India, a natural hot spring in Puga valley may be holding secrets from the very dawn of life on Earth. In the icy

Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻 Follow on

A diagram of the worldbuilding pipeline developed for this study. The pipeline begins with the global and technology factors that define each scenario from Table 5 and other assumptions common

A summary of the influencing factors on the clumped isotope values of methanogenesis. The points on this figure show the average measured and “pure” clumped isotope values of each methanogenic

Spatial distributions of MnS (left) and Na2S (right) clouds as a function of longitude, averaged over all latitudes, and pressure in our cloudy SPARC/MITgcm model. The color mapping represents the

CASCADES sample. Gray dots show all the stars of the Hipparcos sample with a precision on the parallax better than 14%. The green circles show the 641 targets of the

Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻 Follow on

Shown here is an annotated composite image of the interiors of the 33 tubes NASA’s Perseverance Mars rover has used to collect samples as of July 24, 2025, the 1,574th

Figure 5.) Stromatolite lamination architectural types and associated examples, reproduced from Grey, K and Awramik, S.M. 2020, Handbook for the Study and Description of Microbialites (Geological Survey of Western Australia,