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James Webb Space Telescope

Observational Astronomy Observations Discoveries Observational Studies High-Resolution Imaging Instruments and Observations Astrobiological Research Wolf 1130C TRAPPIST-1 System Infrared Spectrometry Cosmic Archaeology Exoplanet Research DART Mission Lunar Gateway Exoplanet Discovery Uranus Missions Keck Observatory Asteroid Observations Observations of Exoplanets Astronomical Discoveries NIRCam International Collaboration Infrared Observations Astrophysical Discoveries Cosmic Evolution Early Release Science Survey Life Detection Missions Observations of Comets Observations of 3I/ATLAS Research Findings Observations of Titan NIRSpec Instrument Auroras on Jupiter Observations of Brown Dwarfs

Interstellar Comet 3I/ATLAS Shows Ancient, Cold Origin in JWST and Ground Spectra

New isotopic measurements point to formation in a metal-poor near-30 kelvin environment, suggesting the comet may date from 10–12 billion years ago.

Ancient Star in Pictor II Bears the Imprint of One Weak First-Generation Supernova

Webb Finds Dust-Obscured Red Supergiant Behind 2025 Supernova, a First for the Telescope

JWST Reveals Nine Distant ‘Platypus’ Galaxies With Star-Like Profiles and Galaxy-Like Spectra

Webb Finds Carbon-Rich Atmosphere on Lemon-Shaped Planet Orbiting a Pulsar

JWST Narrows TRAPPIST-1e’s Atmosphere, Pointing to Nitrogen-Rich Air

Webb Detects First Silane in Ancient Brown Dwarf, Clarifying Jupiter–Saturn Silicon Mystery

Webb Pinpoints Bullet Cluster’s Mass and Dark Matter Distribution