A new study has compiled and analyzed the largest-ever sample of LRDs, and it noted several striking properties, not least of which is that most of these objects contain supermassive black holes.

An artist's concept shows a stream of matter trails a white dwarf (sphere at lower right) orbiting within the innermost accretion disk surrounding a supermassive black hole. — Reuters WASHINGTON ...

It is traversing the extremely high-energy environment around the black hole and producing X-ray flashes as it orbits in this environment. The researchers estimated that the white dwarf is ...

There are more supermassive black holes than previously thought, say scientists (Alamy/PA) Many more supermassive black holes could be hiding in the universe than previously thought, according to ...

and if you choose to follow Alice's White Rabbit down one or more of these voids, may I suggest you first ask him this: What do you know? His answer should give a clue as to where the rabbit hole ...

The Alice River colony is mostly made up of black flying foxes - the largest bat species in Australia. Picture: Shae Beplate. Mrs Townsend said ultimately Townsville City Council advised her to ...

of his life but first in a tournament setting. He also has three holes-in-one. Yet, nobody saw it live on television. Pendrith teed off at 8:56 a.m. local time with Ryder Cup captain Keegan ...

Simulation of two colliding supermassive black holes emitting gravitational waves that could be detected with this novel method. Credit: NASA’s Goddard Space Flight Center/Scott Noble; simulation data ...

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. The constellation, dubbed ...

A "missing link" black hole in Omega Centauri is still missing. What appeared to be an intermediate-mass black hole was a cluster of stellar-mass black holes. New research may have delivered bad ...