Science ❯ Astronomy ❯ Cosmology

Galaxies

Milky Way Supermassive Black Holes Early Universe Galaxy Formation Galaxy Clusters Large Magellanic Cloud Dwarf Galaxies Star Formation Spiral Galaxies Distant Galaxies

JWST Survey Delivers Most Detailed Map of the Cosmic Web to Date

A public dataset from the survey offers a sharper way to test how cosmic surroundings shape galaxy growth.

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

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

DESI Finishes 5-Year Survey With Record 3D Map of 47 Million Galaxies

Astronomers Measure Cygnus X-1’s ‘Dancing’ Black Hole Jets at 10,000 Suns of Power

Most Precise Local Hubble Measurement Sets H0 at 73.5 km/s/Mpc

HETDEX Maps 33,000 Hydrogen Halos Around Early Galaxies

Webb Finds Dust-Obscured Red Supergiant Behind 2025 Supernova, a First for the Telescope

New Spectra Challenge ‘Yellow Hypergiant’ Claim for Colossal LMC Star WOH G64

Study Ties ASASSN-24fw’s 200-Day Fade to Ringed Brown Dwarf or Super-Jupiter

SPHEREx Detects Late Outburst From Interstellar Comet 3I/ATLAS, Revealing Organic Molecules

Hubble Unveils Clearest Image Yet of the Egg Nebula

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

Webb Delivers Sharpest Contiguous Map of Dark Matter’s Cosmic Web

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

New Spectrograph Reveals Mars-Mass Iron Bar in the Ring Nebula

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

New Studies Challenge M–Sigma for Giants and Deliver Most Detailed X-Ray Spectrum Yet

South Korean Study Claims Cosmic Expansion Is Slowing, Challenging Dark Energy Orthodoxy

Study Reports Milky Way Gamma-Ray Halo Consistent With Dark-Matter Annihilation