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

3 ARTICLES

last wk.

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

The faint Milky Way satellites emerge as sensitive gauges of the young universe’s radiation, pointing to Rubin Observatory searches as a practical test.

3 ARTICLES

2w ago

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

11 ARTICLES

2w ago

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

10 ARTICLES

3w ago

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

4 ARTICLES

4w ago

HETDEX Maps 33,000 Hydrogen Halos Around Early Galaxies

5 ARTICLES

2mo ago

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

3 ARTICLES

2mo ago

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

6 ARTICLES

2mo ago

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

4 ARTICLES

2mo ago

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

14 ARTICLES

2mo ago

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

8 ARTICLES

3mo ago

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

5 ARTICLES

3mo ago

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

4 ARTICLES

4mo ago

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

9 ARTICLES

4mo ago

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

6 ARTICLES

5mo ago

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

8 ARTICLES

5mo ago

Webb Maps Four Dust Spirals and Confirms Third Star in Rare Apep Wolf-Rayet System

4 ARTICLES

5mo ago

VLT Captures Earliest Geometry of Supernova SN 2024ggi With Symmetric ‘Olive’ Ejecta

Galaxies

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

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Galaxies

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

Webb Maps Four Dust Spirals and Confirms Third Star in Rare Apep Wolf-Rayet System

VLT Captures Earliest Geometry of Supernova SN 2024ggi With Symmetric ‘Olive’ Ejecta

Never miss stories about

Galaxies