There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it's called ...

The new discovery is located around 3 billion light-years away. The galaxy, which is named Alcyoneus, is a giant radio galaxy. The galaxy is roughly 16.3 million light-years long. For reference ...

The burst's host galaxy is more than halfway across the observable universe and up to 100 times fainter than other host ...

A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.

There is a cosmic struggle at the heart of faint  radio-emitting galaxies. At their core, supermassive black holes launch high-speed jets of particles, while new stars are born in clouds of gas and ...

Astronomers have found a massive radio jet, stretching across at least 200,000 light-years in the distant universe. The object is twice the width of the Milky Way galaxy and offers a rare glimpse ...