Science ❯ Astronomy ❯ Telescopes ❯ James Webb Space Telescope

Observations

JWST Finds Ultra-Faint Galaxy Showing Chemical Traces of the First Stars

Gravitational lensing enabled spectroscopy that reveals extreme metal-poor gas with carbon-rich signatures.

JWST Confirms MoM‑z14, Most Distant Galaxy Yet, at Redshift 14.44

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

Record-Long Gamma-Ray Burst and Earliest-Known Supernova Challenge Models of Cosmic Explosions

JWST Reveals 'Alaknanda,' a Milky Way–Like Spiral 1.5 Billion Years After the Big Bang

JWST Study Flags Four Possible ‘Dark Stars,’ Including One With Tentative Helium Signature

Webb Reveals 8-Light-Year Protostellar Jet, Bolstering Massive-Star Formation Theory

Webb and SPHEREx Map CO2‑Dominated Coma of Interstellar Visitor 3I/ATLAS

Webb Reveals Butterfly Nebula’s Hidden Core and Planet-Building Dust

Webb Spots Tiny New Moon Around Uranus, Bringing Count to 29

James Webb Spots Tiny New Moon Orbiting Uranus

Webb Reveals Binary Interaction in Planetary Nebula NGC 6072 and Detects 2,500 Early Galaxies

First Solids of Planet Formation Observed Around Young Star HOPS-315

Asteroid 2024 YR4 Impact Odds on Moon Rise to 4.3%

Webb Peers Into Cosmic Dawn With Deepest Single-Target View of Abell S1063

Doubts Deepen Over Potential Biosignature on Exoplanet K2-18b