Supermassive black holes, 1,000 times larger than previously thought, have been discovered in LRD-type galaxies. This ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could they be?

Rather than relying on a cheek swab or a little blood, however, these cosmic DNA tests utilize tiny ripples in the fabric of ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

Space-time may hide a bizarre new kind of black hole that causes Einstein’s theory of gravity to fail – and could solve the ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Researchers in South Korea are developing a constellation of satellites that could reveal what goes on in the vicinity of supermassive black holes like never before.

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

Singularity:At the very center of a black hole lies the singularity, a point where gravity is so intense that spacetime is ...

Researchers found for the first time evidence that even microquasars containing a low-mass star are efficient particle ...

a pair of small cylindrical satellites in orbit around ... window into the processes taking place in the vicinity of the black holes' event horizons, the boundaries from beyond which nothing ...