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Big Bang

Early Universe Cosmic Dawn Cosmic Noon Cosmic Microwave Background Galaxies Universe Formation Galaxy Formation Galactic Evolution Cosmic Evolution Origin of the Universe

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

The object resembles a tiny, dark-matter-dominated galaxy seed awaiting independent confirmation.

Chandra Spots First X-Ray Little Red Dot, Pointing to Early Black Hole Growth

Cosmic Bounce Theory Suggests Black Hole 'Fossils' Could Account for Dark Matter

JWST Studies Report Strongest Evidence Yet of Population III Stars Near GN‑z11

Astronomers Identify Most Chemically Pristine Star Ever Observed

Astronomers Find Most Pristine Star Yet From the Large Magellanic Cloud

JWST Finds Compact Five-Galaxy Merger From 800 Million Years After the Big Bang

Early-Universe Quasar Defies Models With 13 Times the Eddington Limit, Bright X-Rays and a Radio Jet

JWST’s ‘Little Red Dots’ Linked to Young, Cocooned Supermassive Black Holes

Earliest Superheated Galaxy-Cluster Atmosphere Detected Challenges Formation Models

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

JWST Detects Chemical Fingerprint of Primordial 'Monster Stars' in Early Galaxy

Webb Confirms Most Distant Supernova Yet at z=7.3

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

Study Suggests the Universe’s Expansion Is Slowing, Challenging Standard Cosmology

Astronomers Report Most Metal-Poor Star Yet From the Large Magellanic Cloud

Chandra Spots Early-Universe Black Hole Growing Above Theoretical Limit

Chandra Finds Early Quasar’s Black Hole Growing Beyond the Eddington Limit

New Model Puts Odds of Spotting an Exploding Primordial Black Hole This Decade at Up to 90%

JWST Study Points to Earendel Being a Compact Star Cluster