Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing ...

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...

Scientists are developing new methods to turn black hole images into time-resolved 3D movies, revealing how plasma, jets, and gravity behave near event horizons ...

Galaxy mergers are not uncommon throughout the Universe; in fact, they're thought to be one of the major mechanisms whereby ...

APM 08279-5255 is a massive black hole (quasar) that contains about 140 trillion times the amount in all of Earth’s oceans ...

Three merging galaxies host three active black holes, offering rare insight into galaxy and black hole growth.

Astronomers have confirmed the first known triple system in which all three galaxies host actively feeding, radio-bright ...

Black holes are dark, matter-devouring balls of gravity. Most of them are so far away that we don't need to worry about them.

Physicists have started to treat a once-fringe idea with surprising seriousness: that our entire observable universe might be ...

A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas ...

Astronomers have found three supermassive black holes on a collision course in a rare cosmic event, situated nearly 1.2 ...

This week in science: the choice between tea or coffee could have greater consequences than you think; interstellar comet ...