quasars

What reionized the Universe, and when?

New observations may tell us when the cosmos became transparent.

By Phil Plait | 

2 weeks ago

Mashup of a galaxy and a quasar evolved into a supermassive black hole

Even monsters start out as embryos.

By Elizabeth Rayne | 

5 months ago

Black holes lurk in literal rings of fire

If there was an Eye of Sauron in space, it would be a black hole.

By Elizabeth Rayne | 

7 months ago

Quasars could blow open what we still don’t know about the early universe

By Elizabeth Rayne | 

1 year ago

A new way to find gigantic black holes paired up at the dawn of the Universe

By Phil Plait | 

1 year ago

A quasar at the edge of the observable Universe has its radio turned *way* up

By Phil Plait | 

1 year ago

Another record-breaking quasar with a black hole that’s *too* supermassive

By Phil Plait | 

1 year ago

This galaxy is spawning stars too fast for its monster black hole to eat them

By Elizabeth Rayne | 

1 year ago

How do supermassive black holes launch powerful jets of matter? With hot gas and magnetism.

By Phil Plait | 

1 year ago

The 'heartbeat' of a black hole 'heard' in space for the first time ever

By Elizabeth Rayne | 

2 years ago