The telescope, a partnership between NASA and the European Space Agency, zoomed in on quasar 3C 273, about 2.5 billion light-years from Earth.

NASA's Hubble Space Telescope has unveiled the closest-ever look at a monster black hole devouring its cosmic surroundings. This supermassive black hole, at the heart of a quasar known as 3C 273 ...

NASA's Hubble Space Telescope has peered deeper than ever into a quasar, revealing a bunch of "weird" features in its vicinity. A quasar is a galactic center that glows brightly and is powered by ...

NASA astronomers have confirmed what may be the greatest discovery of the era. They found a significant reservoir of water that was hidden in the cosmos, and that surrounds a quasa ...

Astronomers have used the unique capabilities of NASA's Hubble Space Telescope to peer closer than ever into the throat of an energetic monster black hole powering a quasar. A quasar ...

A rare double quasar system 10 billion light-years away could help astronomers uncover the secrets of the early universe.

Astronomers have reached deeper into the heart of a brilliant cosmic engine than ever before, using NASA’s Hubble Space Telescope to capture a rare, close-up view of a quasar’s core. Quasars ...

What scientists initially predicted was one galaxy is actually at least three, swirling at incredible speeds around a quasar that existed 11.5 billion years ago.

To understand what a quasar is, NASA wants you to picture a region the size of a solar system that pours out 100 to 1,000 times as much light as a galaxy containing a hundred billion stars.

What scientists initially predicted was one galaxy is actually at least three, swirling at incredible speeds around a quasar that existed 11.5 billion years ago.

What scientists initially predicted was one galaxy is actually at least three, swirling at incredible speeds around a quasar that existed 11.5 billion years ago.