Science ❯ Space Exploration ❯ Telescopes

James Webb Space Telescope

Observational Astronomy Observations Observations of 3I/ATLAS Spectroscopy Discoveries Observational Techniques NIRCam MIRI Instrument Observations of Comets NIRSpec Instrument Research Alien Detection NIRCam Observations Planet Imaging Infrared Imaging Data Integration Exoplanet Detection Infrared Observation Mirror Design Early Universe Observations Exoplanet Observation. Asteroid Observation Coronagraph Techniques Deep Space Observations of K2-18b K2-18b Observations Exoplanet Studies Atmospheric Composition Keck II Telescope Grace Roman Space Telescope Spectroscopy of Elements Astronomical Discoveries Interferometry Infrared Observations Hubble Space Telescope Observations of Brown Dwarfs Observations of Asteroids Asteroid Observations Data Analysis COSMOS Region Dark Matter Mapping Observations of Exoplanets Near-Infrared Spectrograph

Webb Reveals 3I/ATLAS as an Ancient Comet Born in a Frigid, Metal‑Poor Environment

Extreme isotope measurements suggest our local comets may not represent comet chemistry across the galaxy.

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

ALMA Finds Interstellar Comet 3I/ATLAS Strikingly Methanol‑Rich With Unusual Outgassing

Webb Delivers Sharpest Contiguous Map of Dark Matter’s Cosmic Web

Webb Delivers Sharpest Dark-Matter Map, Revealing the Universe’s Hidden Scaffold

Young Black Holes Shrouded in Gas May Explain JWST’s ‘Little Red Dots’

JWST’s ‘Little Red Dots’ Are Young Black Holes Shrouded in Gas, Nature Study Finds

Precessing Black Hole Jet in VV 340a Drives Vast Outflow in Young Disk Galaxy

Webb Confirms Overmassive Black Hole Feeding in a Galaxy 570 Million Years After the Big Bang

Webb Unveils Red Spider Nebula’s Closed Lobes, Iron‑Traced Jet, and Shrouded Core

JWST Finds Phosphine on Ancient Brown Dwarf, Matching Model Predictions

Webb Spots Methane Gas Above Dwarf Planet Makemake

Webb Releases Multiwavelength View of the 'Butterfly Star,' Revealing Dust Settling in a Planet-Building Disk

Webb Uncovers Provisional Saturn-Mass Exoplanet in Alpha Centauri A’s Habitable Zone

Researchers Identify Sulfur Trapped in Interstellar Ices

Webb Pinpoints Bullet Cluster’s Mass and Dark Matter Distribution