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James Webb Space Telescope

Observations Discoveries Observational Astronomy MIRI Instrument NIRCam Spectroscopy Observational Techniques Infrared Observation Mirror Design Early Universe Observations Exoplanet Observation. Asteroid Observation Coronagraph Techniques Deep Space Observations of K2-18b Research Exoplanet Studies Keck II Telescope Grace Roman Space Telescope Spectroscopy of Elements Astronomical Discoveries Interferometry Infrared Observations Observations of 3I/ATLAS K2-18b Observations Alien Detection NIRCam Observations Planet Imaging Infrared Imaging Data Integration Exoplanet Detection

Webb Unveils Sagittarius B2, the Milky Way’s Largest Star-Forming Cloud, in Unprecedented Detail

Scientists will use the new data to investigate why this galactic-center cloud outperforms its surroundings in making stars.

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 Spots Tiny New Uranian Moon, Lifting Planet’s Count to 29

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

JWST Finds No Atmosphere on TRAPPIST-1d, Removing It From Earth-Analog List

Researchers Identify Sulfur Trapped in Interstellar Ices

Alpha Centauri A’s Suspected Gas Giant Evades 2025 JWST Searches

James Webb Spots Candidate Gas Giant Orbiting Alpha Centauri A

Webb Pinpoints Bullet Cluster’s Mass and Dark Matter Distribution

Methane Clouds and Key Organic Molecule Detected on Titan

Astronomers Discover Rare Disintegrating Exoplanet with Massive Dust Tail

Potential Biosignatures Detected on Exoplanet K2-18b

Asteroid 2024 YR4 Poses Small Risk of Lunar Impact

James Webb Telescope Unveils Unexpected Insights into Early Galaxy Formation

Astronomers Uncover Key Clues to Formation of Universe’s Largest Galaxies

James Webb Telescope Unveils Hidden Details of Sombrero Galaxy

Webb Telescope Unveils First Young Brown Dwarfs Beyond the Milky Way

Scientists Propose Detecting Alien Terraforming Through Greenhouse Gas Signatures

Earth-Sized Exoplanet Discovered Orbiting Ultracool Dwarf Star