Science ❯Astronomy ❯Cosmology

Early Universe

Big Bang Galaxy Formation Galaxy Evolution Cosmic Dawn Star Clusters Galactic Evolution Cosmic Evolution Black Hole Formation James Webb Space Telescope Cosmic Microwave Background Water Formation First Stars Low Metallicity Regions Chemical Evolution Barbenheimer Star Massive Galaxies Cosmic History Metallicity Hydrogen Formation Molecular Formation Star Formation Primordial Black Holes Quasars Radio Astronomy Cosmic Structures Supermassive Black Holes Universe's Expansion Rate Population III Stars Black Holes Protoclusters

JWST Study Points to Earendel Being a Compact Star Cluster

Astronomers say only time-series monitoring can settle the object’s true identity.

JWST Detects Oldest Active Quasar and Direct-Collapse Black Hole Seed

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

Researchers Poised to Decode Cosmic Dawn’s 21-Centimeter Signal

Astronomers Model 21-Centimeter Signal to Reveal Masses of Universe’s First Stars

Webb’s COSMOS-Web Survey Yields Deepest Map With Nearly 800,000 Galaxies

Astronomers Detect Ultra-Fast and Super-Long Jets from Early Universe Black Holes

James Webb Telescope Unveils Fully Formed Spiral Galaxy From Early Universe

Small Magellanic Cloud Found to Be Tearing Apart Under Gravitational Forces

Webb Telescope Resolves 19-Year Mystery of 'Cosmic Tornado'

Astronomers Detect Oxygen in Most Distant Known Galaxy, Redefining Early Universe Evolution

James Webb Telescope Discovers Massive 'Big Wheel' Galaxy in Early Universe

Water Found to Have Existed 100–200 Million Years After the Big Bang

Astronomers Discover Largest Radio Jet in the Early Universe

James Webb Telescope Sheds Light on Mysterious 'Little Red Dots'

Dormant Black Hole in Early Universe Challenges Growth Models

Dormant Black Hole in Early Universe Challenges Growth Models

James Webb Telescope Unveils Unexpected Insights into Early Galaxy Formation

Discovery of 'Red Monster' Galaxies Challenges Early Universe Models

Early Universe Black Hole Defies Limits with Rapid Growth