Science ❯ Astrophysics ❯ Observational Astronomy

James Webb Space Telescope

Spectroscopy NIRSpec Instrument Infrared Observations COSMOS-Web Survey ALMA Atmospheric Analysis Metallicity in Stars Temperature Measurements NIRSpec Observations Miri Instrument

New COLIBRE Simulations Recreate Galaxy Growth and Support the Standard Model

High-resolution models that include cold gas and dust bring simulations in line with JWST observations.

Distant Quasar Defies Models With 13× Eddington Growth and Powerful Jets

JWST and ALMA Reveal Early Massive Galaxy Quenched by Black Hole Starvation

Webb Reveals Carbon-Heavy, Helium-Rich ‘Lemon’ World Orbiting a Pulsar

JWST Detects Chemical Traces of 1,000–10,000‑Solar‑Mass First Stars in Galaxy GS 3073

JWST Finds Strong Evidence of a Thick Atmosphere on Molten Super-Earth TOI-561 b

Webb Data Point to Thick Atmosphere on Ultra‑Hot Super‑Earth TOI‑561 b

JWST Reveals a Mature Grand-Design Spiral Galaxy Far Earlier Than Models Predict

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

Rogue Planet Devours Matter at Record 6 Billion Tons Per Second

Webb Telescope Finds 250°C Auroral Heating on Nearby Brown Dwarf

JWST Study Proposes ‘Black Hole Stars’ to Explain Mysterious Early‑Universe Red Dots

JWST Spots Unusually Compact Early-Universe Black Hole That May Predate Its Galaxy

Webb Traces Planet-Building Dust from Butterfly Nebula to ‘Butterfly Star’ Disk

Framework for Lava Planet Evolution Secures 100 Hours of JWST Time

JWST to Target Triple Black Hole in Ringed Infinity Galaxy

Infinity Galaxy’s Newborn Black Hole Shows Evidence of Direct Collapse

Researchers Prepare Infrared Search for Dark Dwarfs at Galactic Center

New 'Dark Dwarfs' Theory Proposes Substellar Objects Fueled by Dark Matter