The known black holes that populate the universe fall into two types: those up to a few dozen times the mass of the sun and ...

Astronomers also suspect that a class of objects called intermediate-mass black holes exist in the universe, although evidence for them is so far debatable. No matter their starting size ...

A new effort to map the rumblings in spacetime caused by enormous black hole collisions paints a surprisingly loud and ...

Astronomers found a massive black hole that spent ages in a "quiet" phase when everything around it in the early universe ...

a black hole in the distant galaxy Centaurus A, also called NGC 5128, about 12 million light years from Earth, has emitted powerful jets of plasma towards an unknown object, creating a strange V ...

Scientists have long observed black holes existing as part of binary systems, where a black hole pairs with a nearby object ...

as well as in objects right here on Earth. “We have to think outside of the box because what has been done to find primordial black holes previously hasn’t worked,” Dejan Stojkovic of the ...

Astronomers using NASA's Chandra X-ray space telescope have witnessed a massive black hole jet slam into an unknown object in space. Astronomers have seen black hole jets blasting cosmic objects ...

On Sept. 14, 2015 astronomers “heard” two black holes crashing into each other at close to the speed of light. This discovery ...