Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.

"This pushes our models to their limits and challenges our existing ideas about how these X-ray flashes are being generated." ...

Black holes are fundamental to the structure of galaxies and critical in our understanding of gravity, space, and time. A ...

Scientists have uncovered the strongest evidence yet for the existence of elusive intermediate-mass black holes (IMBHs), long ...

The scientists studied a black hole system consisting of a stellar-mass black hole and a sun-like star orbiting each other. In this system, 5 or 6 jets occur over a period of about 20 days, making ...

This black hole has a mass of around four million times that of our ... in the center of our galaxy or other galaxies, on ...

NGC 4941 dazzles in a new Hubble image, showcasing star-forming regions and a supermassive black hole that dramatically ...

Types of Black Holes There are two main classes of black holes observed: stellar-mass black holes that can be dozens of times larger than the sun, and supermassive black holes that can equate to ...

One of the things is, so they're in binary pairs, so there's a normal stellar companion. So the first black hole discovered called Gaia Black Hole 1, or Gaia BH1 for short, it basically has a ...