Science ❯ Space Exploration ❯ Telescopes

James Webb Space Telescope

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

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