Supermassive black holes shoot energy in bullet-like bursts rather than steady winds, affecting galaxy formation.

This NASA/ESA Hubble image features NGC 4423, a spiral galaxy located 55 million light-years away in the Virgo constellation. Though it has an unusual, tube-like shape, it is still classified as a ...

Astronomers discovered the Small Magellanic Cloud galaxy, located 200,000 light-years away, has stars moving in two opposing ...

Scientists observed a rare cosmic duel between two galaxies, where one emits powerful radiation damaging the other. This ...

Using combined observations from ground-based telescopes over nearly four years, the researchers saw the distant galactic ...

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

Astronomers have for the first time observed a violent cosmic collision dubbed the 'cosmic joust.' This dramatic encounter involving two galaxies 11 billion light years away, ...

By Will Dunham WASHINGTON (Reuters) -Astronomers have observed a galaxy dating to an earlier epoch in the universe's history ...

In the intriguing realm of star-forming galaxies, the key factor isn't the total amount of gas but rather its strategic distribution within the galaxy.

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