Astrobiology91- Page

Exozodiacal dust, depicted in this artist’s illustration as a glowing white haze above the horizon of a hypothetical habitable planet orbiting another star, was found to exist in such large

Energy levels of 2,5-CT and 2,4-CT relative to thiophenol. The geometries and energies were derived at CAM-B3LYP/cc-pCV5Z level of theory. — astro-ph.GA Molecules harbouring sulfur are thought to have played

Alkaline limited regime (left) leads to slow climate recovery. Reef space collapse (right) stimulates nannoplankton productivity and climate recovery. Credit: Tristan Salles/PNAS/USYD Coral reefs have long been celebrated as biodiversity

Examples of mapped large drainage systems on Mars. The dotted white outlines represent drainage boundaries encompassing valley networks (black), lakes (gradient blue), and outlet canyons (yellow) formed by lake breaches.

Major icy bodies in the Solar System, with the Earth’s moon to scale. The images are shown at the proper relative size. From NASA’s Planetary Photojournal (https://photojournal.jpl.nasa.gov/), Earth’s Moon (PIA00302),

Phylogenetic, morphological, and physiological data support establishment of Incendiamoeba cascadensis, a novel genus and species within Amoebozoa. (H) SEM of V. vermiformis in amoebiform state. Scale bar = 1µm. —

b) Cross-sections from 1D electrical resistivity models from inverted AEM data collected along the selected flight profile. Groundwater and thermal fluids containing appreciable total dissolved solids significantly reduce resistivities of

Cores of lava breccia, cemented with white calcium carbonate minerals, recovered from IODP Site U1557 Credit IODP JRSO Sixty-million-year-old rock samples from deep under the ocean have revealed how huge

Key Martian stressors (e.g., UV radiation, extreme dryness, oxidizing conditions, methane release) — Nature communications biology Terraforming Mars toward sustainable life-supporting ecosystems poses unprecedented challenges. Extremophilic microbes, which thrive in