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Exoplanets

Habitability K2-18b Planetary Systems Titan Biosignatures Sub-Neptunes Technosignatures K2-18 b Purple Bacteria Purple Planets Life Detection Methods Possible Life Detection Solar System Exploration Star Formation Fermi Paradox Cosmic Visitors Origins of Life Planetary Candidates Radiolytic Habitable Zone Habitable Worlds Observatory Extraterrestrial Life Ceres Space Telescopes Interstellar Objects Origins of Celestial Bodies Enceladus Phosphine Detection Formation of Celestial Bodies Brown Dwarfs Goldilocks Zone Potentially Habitable Planets Quantum Physics Search for Extraterrestrial Life Star Systems F-type Stars Potential for Life Beyond Earth Exomoons TRAPPIST-1e Methyl Halides

JWST Finds Phosphine on Ancient Brown Dwarf, Matching Model Predictions

The measurement at roughly 100 parts per billion confirms abiotic formation in hydrogen-rich atmospheres.

Fresh Enceladus Plume Grains Reveal Ocean-Derived Complex Organics

3I/ATLAS Shows Growing Tail and Rapid Brightening as Evidence Favors a Natural Comet

New UC Santa Cruz Model Explains JWST’s Steam‑Rich Sub‑Neptunes

New Study Suggests Ancient Ceres Had Chemical Energy to Support Habitability

Doubts Deepen Over Potential Biosignature on Exoplanet K2-18b