Quasars are found throughout the Universe, but quasar pairs are rare. “We estimate that in the distant universe, for every 1,000 quasars, there is one double quasar. So finding these double quasars is ...

This artist’s impression shows the record-breaking quasar J059-4351, the bright core of a distant galaxy that is powered by a supermassive black hole. The most luminous object in the universe ever ...

A Yale-led team of astronomers has detected an intensely brightening and dimming quasar that may help explain how some objects in the early universe grew at a highly accelerated rate. The discovery, ...

"Some quasars are not quiet neighbors." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers have used the wide-field view of the Dark ...

Astronomers have detected an intensely brightening and dimming quasar that may help explain how some objects in the early universe grew at a highly accelerated rate. The discovery is the most distant ...