QUASAR

Quasars – National Radio Astronomy Observatory

Black Hole Hosts Universe's Most Massive Water Cloud

A Distant Quasar as a Cosmic Clock - AAS Nova

Hubble Catches Runaway Quasar

Galactic Beacons Get Snuffed Out in a Cosmic Eyeblink

Astronomers spot quasar with the most powerful winds ever seen

Quasar Variability Project

Clues from Quasars in the Early Universe - AAS Nova

From Quasars to Black Holes: Spectral Energy Puts Established Theories in Question

Rare quasar triplet forms one of the most massive objects in the universe

Hubble Telescope Finds Double Quasar in Early Universe - Mellon College of Science - Carnegie Mellon University