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Exoplanets

Habitability K2-18b Biosignatures Planetary Systems Titan K2-18 b TRAPPIST-1e Sub-Neptunes Exomoons Technosignatures 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 Quantum Physics Potentially Habitable Planets Kepler-62 Search for Extraterrestrial Life Star Systems F-type Stars Potential for Life Beyond Earth Methyl Halides Purple Bacteria Purple Planets Life Detection Methods Possible Life Detection

NASA White Paper Details Data Roadmap for Habitable Worlds Observatory's Life Search

The arXiv study spotlights reference data gaps that could otherwise turn colorful planetary signals into false positives.

JWST Finds Phosphine on Ancient Brown Dwarf, Matching Model Predictions

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