Science ❯ Astronomy ❯ Cosmology ❯ Big Bang

Early Universe

Milky Way Absorbed a Dwarf Galaxy About 11.8 Billion Years Ago

The finding shows an early accretion delivered stars, gas and dark matter to the young Galaxy, prompting new observations and simulations to revise its formation history.

27 ARTICLES

last mo.

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

15 ARTICLES

8mo ago

JWST’s ‘Little Red Dots’ Are Young Black Holes Shrouded in Gas, Nature Study Finds

6 ARTICLES

8mo ago

Earliest Superheated Galaxy-Cluster Atmosphere Detected Challenges Formation Models

19 ARTICLES

9mo ago

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

4 ARTICLES

9mo ago

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

14 ARTICLES

9mo ago

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

5 ARTICLES

11mo ago

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

4 ARTICLES

last yr.

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

5 ARTICLES

last yr.

JWST Study Points to Earendel Being a Compact Star Cluster

6 ARTICLES

last yr.

Most Distant Fast Radio Burst Localized to Dwarf Galaxy at z=2.148

27 ARTICLES

last yr.

Astronomers Reveal Universe’s Earliest Supermassive Black Hole and Record 36-Billion-Solar-Mass Titan

8 ARTICLES

last yr.

HeH+ Ion’s Reactivity Endured at Cryogenic Temperatures, Reframing Early-Star Cooling

Early Universe

Milky Way Absorbed a Dwarf Galaxy About 11.8 Billion Years Ago

Astronomers Identify a Black Hole Star at Cosmic Dawn

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

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 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

JWST’s ‘Little Red Dots’ Are Young Black Holes Shrouded in Gas, Nature Study Finds

Never miss stories about

Early Universe

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

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

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

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

JWST Study Points to Earendel Being a Compact Star Cluster

Most Distant Fast Radio Burst Localized to Dwarf Galaxy at z=2.148

Astronomers Reveal Universe’s Earliest Supermassive Black Hole and Record 36-Billion-Solar-Mass Titan

HeH+ Ion’s Reactivity Endured at Cryogenic Temperatures, Reframing Early-Star Cooling

Never miss stories about

Early Universe