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

Astronomers have discovered the largest and most ancient radio jet ever detected, emitted by a quasar from when the universe ...

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

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

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

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

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

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

Astronomers have witnessed for the first time a violent cosmic collision in which one galaxy pierces another with intense ...

Astronomers witnessed two galaxies engaged in an intense deep-space battle for the first time. Watch the “cosmic joust” in action.