The closest quasar to the Milky Way is giving up its secrets, thanks to an innovative technique developed by Japanese astronomers. When you purchase through links on our site, we may earn an affiliate ...

Astronomers using NASA’s Hubble Space Telescope have found that Markarian 231 (Mrk 231), the nearest galaxy to Earth that hosts a quasar, is powered by two central black holes furiously whirling about ...

NASA’s Hubble Space Telescope was used to find two supermassive black holes in Markarian 231. (Credit: Space Telescope Science Institute) In a staggering find, scientists recently announced that the ...

One of the brightest objects in the cosmos just had its close-up. Using the Hubble Space Telescope, astronomers homed in on a quasar called 3C 273, some 2.5 billion light-years from Earth. It's one of ...

The closest quasar to Earth might harbor a rare pair of supermassive black holes. The dark duo is probably left over from a galaxy collision, researchers report, and offers a way to test theories ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. That means studying 3C 273 has been like staring into the headlights of an oncoming car for ...

Silla observatory. They find that the lensed quasar [2] is located at a distance of 6,300 million light-years (its “redshift” is z = 0.66 [3]) while the lensing elliptical galaxy is rougly halfway ...

Astronomers using NASA’s Hubble Space Telescope have found that Markarian 231 (Mrk 231), the nearest galaxy to Earth that hosts a quasar, is powered by two central black holes furiously whirling about ...