What could force a supermassive black hole (SMBH) out of its host galaxy? They can have hundreds of millions, even billions ...

Astronomers have observed a star wobbling in its orbit around a ravenous supermassive black hole that is ripping it apart and ...

A black hole 30 million times the mass of the sun has produced winds one-fifth the speed of light, stunning scientists.

Smaller black holes tend to attract less material, making them naturally dimmer. Chandra would miss many of these faint ...

The European Space Agency said that the black hole inside the spiral galaxy NGC 3783 has the mass of 30 million suns.

See the full advent calendar here, where a new image will be revealed each day until December 25.

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 sparks ultra-fast winds, offering new clues about ...

NASA has created an animation to show what likely happened on July 2nd after a black hole appeared to shred a star. For ...

New observations suggest that the relationship between light emitted by quasars has changed over cosmic time, hinting that ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.