Science ❯ Astronomy ❯ Galaxies

Galaxy Mergers

Quasars MCG-03-34-64 Supermassive Black Holes Infinity Galaxy Supermassive Black Hole Mergers NGC 2207 and IC 2163 Arp 107 Active Galactic Nuclei Gravitational Wave Background Colliding Galaxies

Short Gamma-Ray Burst Linked to Tidal Debris of Colliding Galaxies, Likely from Neutron-Star Merger

An ApJL analysis places GRB 230906A in a faint tidal-stream galaxy about 8.5 billion light-years away.

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

Astronomers Confirm First Triple Radio AGN in Merging Galaxy Trio

JWST Confirms Runaway Supermassive Black Hole Traveling at About 1,000 km/s

Record-Setting Day-Long GRB 250702B Confirmed at z = 1.036 as Origin Remains Unsettled

Coherent Satellite Planes Around NGC5713/19 Offer Window into Milky Way–Andromeda Merger

Infinity Galaxy’s Newborn Black Hole Shows Evidence of Direct Collapse

Astronomers Capture First Direct Evidence of Quasar Radiation Disrupting Neighboring Galaxy

Hubble Captures Largest-Ever Image of Andromeda Galaxy, Revealing Chaotic Past

Astronomers Create Galaxy-Sized Detector to Map Gravitational Wave Background

NASA's Webb and Hubble Capture Eerie Galactic Pair Resembling 'Blood-Soaked Eyes'

James Webb Captures Stunning Image of Two Galaxies Colliding

Astronomers Discover Closest Pair of Supermassive Black Holes

Astronomers Discover Closest-Ever Pair of Supermassive Black Holes on Collision Course

Astronomers Uncover Earliest Pair of Merging Quasars

Gaia Space Telescope Discovers Ancient Star Streams Shiva and Shakti, Key to Milky Way's Formation

Astronomers Discover Heaviest Supermassive Black Hole Pair, Stalled in Collision Course

Discovery of the Heaviest Supermassive Black Hole Pair Stalled in Merger

Hubble Telescope Discovers 'String of Pearls' Star Clusters in Galactic Collisions