Astrobiology3- Page

Geographic map of vent field locations Map data 2025 Google. — Molecular Ecology Genetic bottlenecks are evolutionary events that reduce the effective size and diversity of natural populations, often limiting

ETI broadcasts of a galaxy over its history form a population described by distributions (left). Surveys, and observations within the surveys, select subsets of the positions, times, and frequencies (and

Extensions to the HZ (the orange stripe) as a function of distance between the planet and its host star (horizontal axis), and the mass of the Main Sequence host (vertical

Major iongeochemistry of lakewater. Ternary diagrams of the molar fraction of the 253major cations (left) and major anions (right). — eartharxiv.org Modern and ancient hypersaline lakes and oceans have been

The IMEWG (International Mars Exploration Working Group) is planning to stand up a sub-working group to identify international science and planetary protection goals and scope priorities in the upcoming transition

Rocket section for rideshare payloads. Credit Gail Iles, RMIT University A world-first study has proven microbes essential for human health can survive the extreme forces of space launch. Space agencies

Programmable Liquid-crystal Active Coronagraphic Imager for the DAG telescope (PLACID) — Europlanet A game-changing instrument is set to improve the detection and direct imaging of planets outside our Solar System

Variation of Enceladus’s ice shell thickness based on the shape model by Park et al. (2024) assuming isostasy. Contours denote intervals of 2 km. — astro-ph.EP Enceladus is among the

Enceladus orbiting within Saturn’s E ring Credits: NASA/JPL/Space Science Institute larger image Saturn’s E ring is a huge, fuzzy, donut-shaped circle of particles around Saturn, that puzzled scientists for a