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Early Universe

Big Bang Galaxy Formation Galaxy Evolution Cosmic Structures Cosmic Dawn James Webb Space Telescope Star Formation Primordial Black Holes Population III Stars Quasars Star Clusters Black Holes Cosmic Evolution Reionization Era Cosmic History Galactic Evolution Massive Stars Reionization Black Hole Formation First Stars Little Red Dots Barbenheimer Star Massive Galaxies High Redshift Observations Low Metallicity Regions Star Factories Primordial Structures Metallicity Primordial Stellar Populations Galactic Formation Radio Astronomy Dark Matter Research Formation of Stars Protoclusters Chemical Evolution Hydrogen Formation Origins of Solar System Galaxies Stellar Evolution Primordial Elements Water Formation Supermassive Black Holes Cosmic Microwave Background Molecular Formation Chemical Composition Epoch of Reionization JWST Observations Galaxy Interactions Universe's Expansion Rate Interstellar Environments Radiation Effects

Hubble Releases New Images That Map Young Stars and Ancient Clusters

These Hubble images supply new measurements of young-star growth that refine models of star and galaxy formation.

New JWST Findings Complicate Origins of Little Red Dots

JWST and ALMA Image Supernova-Driven Wind Stripping Gas From a z≈5.3 Galaxy

JWST Measures 50‑Million‑Solar‑Mass Black Hole That Outweighs Its Host

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

Ultra-Faint Dwarf Galaxies Reveal Early-Universe Conditions in New LYRA Simulations

HETDEX Maps 33,000 Hydrogen Halos Around Early Galaxies

Astronomers Identify Most Chemically Pristine Star Ever Observed

ALMA Unveils Record 650-Light-Year Mosaic of the Milky Way’s Turbulent Core

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

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

Webb Confirms Most Distant Supernova Yet, SN Eos at Redshift 5.133

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

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

JWST Reveals Nine Distant ‘Platypus’ Galaxies With Star-Like Profiles and Galaxy-Like Spectra

Nature Study Finds Early Galaxy Cluster With Gas Five Times Hotter Than Models Allow

JWST Spots Record-Distant Supernova Tied to March Gamma-Ray Burst

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

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