The brightest quasar ever seen in the young cosmos is powered by a black hole that appears to be breaking the universe’s own ...

A newly identified quasar shows sustained growth beyond the Eddington limit, prompting new examination of accretion physics, radiation trapping and jet activity in early supermassive black holes.

Twelve billion years ago, long before our sun was even a cloud of dust, a young galaxy flared with a light that shouldn’t ...

Astronomers have spotted a rare, rule-breaking quasar in the early Universe that appears to be growing its central black hole ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered what may be the brightest object in the universe, a quasar with a black hole at its heart growing so fast that it swallows the equivalent of a ...

A research team has investigated quasar variability by tracking optical to mid-infrared (MIR) wavelengths of variability ...

The brightest object in the universe—at least, the brightest we’ve seen yet—shines 500 trillion times brighter than the sun, and it eats a sun a day. Objects like these are rare, and despite their ...

Add Yahoo as a preferred source to see more of our stories on Google. In an astonishing discovery, astronomers have identified an immense water reservoir orbiting a quasar more than 12 billion ...

The first-ever sighting of starlight from a galaxy hosting one of the most distant quasars known has revealed an astronomical oddity. Quasars — blazingly bright galactic cores — owe their brilliance ...