Quasars are some of the brightest objects in the universe. A quasar is powered by large amounts of matter falling into the ...

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 ...

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

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

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

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

A cluster of eleven quasars on a galactic boundary challenges existing models, prompting a rethink of quasar formation in ...

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 ...

"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 find a 200,000 light-year-long black hole jet from early universe, reshaping theories about quasar formation and ...

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