Astrobiology40- Page

Biochemical requirements and toxicities for oxygen, iron and sulfide restrict conditions for endosymbiosis: Iron, sulfide and oxygen readily react with one another, leading to reservoir fluctuations that characterize Paleoproterozoic marine

International Space Station — NASA This perspective article explores the transformative potential of biomanufacturing in low Earth orbit (LEO) for regenerative medicine. Building on key symposia and workshops, it highlights

Mars Reconnaissance Orbiter — NASA The Mars Reconnaissance Orbiter is testing a series of large spacecraft rolls that will help it hunt for water. After nearly 20 years of operations,

Evolutionary tracks of the elemental ratios over 3 Myr across all considered scenarios. Ratios are shown in pairs across four key compositional regions: within the H2O snowline (Region 1, top-left),

N-isotope fractionation values observed in this study compared to the sedimentary δ15N record a, and known ranges of extant microbial biomass b, The sedimentary database includes bulk rock δ15N (dark

Scatter plot showing the period ratio as a function of the inner planet period, in days, for Kepler (blue), TESS (green), and K2 (red). The solid blue line in the

The data wall and performance plateau for foundation models in biology – BaseCamp Research Editor’s note: If we aspire to mount expeditions to new worlds and then embrace the task

Artist’s impression of how ocean water erupts through cracks on Enceladus. NASA Scientific Visualization Studio Source Enceladus offers our best opportunity for exploring the chemistry of an ocean on another

Distribution of versus age for the stars of our sample, distinguished by the possible subgroups. — astro-ph.SR The aim of this work is to obtain precise atmospheric parameters and

The mass and radius of our two models for GJ 12 b (circular and eccentric orbits) compared to various composition models from L. Zeng et al. (2019), as well