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Quasars

Supermassive Black Holes Merging Quasars Active Galactic Nuclei OJ287 Baryon Acoustic Oscillations J1601+3102 Galaxy Interactions Black Holes Spiral Galaxies Spin Distribution

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

A full 2027 analysis could confirm hints that cosmic acceleration is weakening.

DESI Completes Five-Year Survey With Record 3D Map of the Universe

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

Lensed-Quasar Study Confirms Hubble Tension With Independent, High-Precision Result

Gravitational-Lens Time Delays Deliver New Hubble Constant, Deepening the Tension

First Radio Image Shows Two Supermassive Black Holes Orbiting in Quasar OJ287

First Radio Image Resolves Two Supermassive Black Holes in Quasar OJ287

Astronomers Capture First Direct Evidence of Quasar Radiation Disrupting Neighboring Galaxy

Astronomers Capture First Evidence of Quasar Radiation Halting Star Formation in Galaxy Collision

DESI Data Suggests Dark Energy May Be Weakening, Challenging Cosmological Models

Astronomers Discover Largest Radio Jet in the Early Universe

Hubble Captures Rare Spiral Galaxy Hosting a Quasar Jet

Astronomers Uncover Earliest Pair of Merging Quasars

Astronomers Confirm First Merging Quasars from Cosmic Dawn