Science ❯ Astronomy

Galaxies

Milky Way Galaxy Formation Spiral Galaxies Galaxy Clusters Dwarf Galaxies Star Formation Supermassive Black Holes Early Universe Galaxy Mergers Galaxy Evolution

Study Traces Small Magellanic Cloud’s Odd Stellar Motions to Past Crash With the Large Magellanic Cloud

Tailored simulations reveal that apparent gas rotation was a viewing illusion, prompting a reassessment of the SMC as a template.

Ancient Star in Pictor II Bears the Imprint of One Weak First-Generation Supernova

Gaia Finds Thousands of Solar Twins, Tying the Sun to a Mass Migration Across the Milky Way

Magnetar ‘Chirp’ Identified in Superluminous Supernova as Short GRB Localized to Tidal-Stream Dwarf

Candidate Ultra-Faint Galaxy in Perseus Appears 99% Dark Matter

ALMA Unveils Record 650-Light-Year Mosaic of the Milky Way’s Turbulent Core

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

Bayesian Study Finds Hidden Nearby Alien Signals Unlikely, Urges Galaxy-Wide SETI Surveys

Hubble, Euclid and Subaru Reveal Ultra-Faint Galaxy Candidate Dominated by Dark Matter

JWST Spots Most Distant ‘Jellyfish’ Galaxy Candidate at Redshift 1.156

Andromeda Star Vanishes Without a Supernova as Study Identifies Likely Black-Hole Birth

Astronomers Trace Andromeda Star's Quiet Collapse Into a Black Hole

Science Study Details Andromeda Star’s Disappearance, Pointing to Black Hole Birth

Astronomers Report First Unambiguous Failed Supernova in Andromeda

Breakthrough Listen Reports Candidate Millisecond Pulsar Near Sagittarius A*

Dark Matter Core Model Challenges Black Hole at Milky Way’s Center

JWST Detects First Extragalactic Methyl Radical in Carbon‑Rich, Dust‑Buried Galaxy

JWST Finds Compact Five-Galaxy Merger From 800 Million Years After the Big Bang

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

EHT Pinpoints Likely Base of M87’s 3,000-Light-Year Jet Near Black Hole