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
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
2.5 billion year old microbial structures — The black features within this thin slice of rock are 2.5-billion-year-old microbial structures. This study suggests that the organic matter preserved within this
Tree of life (“species tree”) used for gene reconciliation analyses, showing reconstructed habitats for specific phyla over time. Phyla are color-coded and grouped to match to the larger phylum groups
NASA’s Mars Perseverance rover acquired this close-up view showing the cavernous weathering texture of an unusually shaped rock, “Phippsaksla,” targeted for investigation based on its appearance that differed from the
Galaxies are the grand cities of the cosmos — vast collections of stars, gas, dust and dark matter shaped over billions of years. From the familiar swirl of our own
After reviewing a whole host of Lego Star Wars sets over the years, we have come up with the definitive run-down of the best Ultimate Collector Series sets credits can
Masses and semi-major axes for known planets and simulated Gaia planets. In both cases, we have restricted the sample to planets with Porb and mp constrained to within 20% (i.e.,
The spectrum of UV light available at Earth’s surface before the origin of life at approximately 3.9 Ga and until at least 2.9 Ga (curves black and red, respectively). This
L3Harris has intensified the production of the new RS-25 rocket engines at its facility near Los Angeles, preparing for NASA’s Artemis missions aimed at returning astronauts to the Moon. The
An integrated model for mineral-guided surface enrichment support for protocell emergence. (I) Mineral-guided surface molecular enrichment (MSE). In prebiotic environments such as hydrothermal vents or land ponds, essential biomolecules including




