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 ...

Black holes come in a range of sizes. Stellar mass black holes form from the collapse of massive stars, typically weighing ...

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 ...

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at ...

Simulations of highly magnetized stars that explode and collapse into black holes show that they transfer their magnetic fields to the disk of swirling matter that forms around the new black hole.

Here is a guide to the major actors featured in "Black Mirror" Season 7, releasing on Netflix April 10, from Paul Giamatti to ...

In this environment, Mumpower’s team suggest that energetic photons in a jet collide with protons to create a neutron and a pion. Since these neutrons are have no electrical charge, many of them could ...