Science ❯ Astronomy

Galaxy Formation

Early Universe Star Formation Cosmology Galaxy Mergers Galaxy Clusters Galaxy Evolution Early Galaxies Satellite Galaxies Tidal Interactions Black Hole Growth Hierarchical Structure Satellite Systems Elliptical Galaxies Mergers Galaxy Classification Distant Galaxies Failed Galaxies Small Galaxies Theories Timeline Stellar Population Ancient Stars Star Structures Galactic Dynamics Dark Matter Halo Stellar Evolution Dark Matter Stellar Populations Star Formation History Hydrogen-rich Galaxies Lenticular Galaxies Primordial Structures Gas Dynamics Early Galaxy Observation Baryonic Physics Cosmic Dawn Early Stars Neutral Hydrogen First Generation Stars Redshift Redshift Measurements

Hubble Confirms First Starless Dark-Matter Cloud, 'Cloud-9,' a Predicted RELHIC

Deep Hubble imaging ruled out any starlight to validate a long-standing theory of reionization-limited halos, prompting targeted searches for more relics.

Scientists Detect Largest Known Rotating Filament in the Cosmic Web

Astronomers Map 50-Million–Light-Year Rotating Cosmic Filament Nearby

Hubble’s New NGC 2775 Portrait Deepens the Mystery of a Hybrid Galaxy

Webb’s 100-Hour Mid-Infrared Survey of Hubble Ultra Deep Field Reveals Ancient Galaxies

Webb Peers Into Cosmic Dawn With Deepest Single-Target View of Abell S1063