The pair — dueling it out 11 billion light-years away in space — has given astronomers their first detailed look at a galaxy ...

"We see for the first time the effect of a quasar's radiation directly on the internal structure of the gas in an otherwise ...

In a rare cosmic spectacle, astronomers have observed two galaxies engaged in a high-speed collision, approximately 11 ...

Astronomers have observed a "cosmic joust" between two galaxies colliding at immense speed over 11 billion light-years away.

A newly analyzed radio image reveals twin lobes stretching roughly 66,000 light-years on each side of a quasar called ...

The quasar’s radiation is stripping away gas in its companion galaxy, leaving behind clumps too compact to form new stars.

A quasar in one galaxy blasted another during a cosmic collision, compressing star-forming gas into tiny clumps too small to ...

For a supermassive black hole to turn into a quasar, something must bring material for it to feed on near to it. This is ...

Not only did the new observations show how a cosmic collision helps a quasar light up, it also revealed that the quasar can be a weapon of mass destruction, snuffing out another galaxy's ability ...

One galaxy uses a quasar like a cosmic weapon, blasting its opponent and halting star formation—an epic deep-space duel seen for the first time.

"We see for the first time the effect of a quasar's radiation directly on the internal structure of the gas in an otherwise regular galaxy." Using a telescope in Chile, astronomers have captured a ...

Astronomers caught a brutal act of cosmic violence for the first time—one galaxy piercing another with deadly radiation.