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

F1550C image of α Cen AB. α Cen B is saturated near the top and α Cen A is behind the F1550C mask near the center. Two known background stars are labeled (KS2 inset, detected after PSF subtraction;

Argentina and Antarctica As Seen From Space — NASA Astrobiology or exobiology is a relatively new area of science that investigates the possibilities of finding life in other places in

Schematic representation of cofactor-bound Walker A P-loops. This figure is adapted from Demkiv et al., Mol. Biol. Evol. 2025, 42, msaf055, originally published under a CC-BY license. Credit: Molecular Biology