In a galaxy 7.5 billion light-years away, a supermassive black hole shoots out streams of magnetized plasma that span 140 Milky Ways in length. This mind-boggling structure—nicknamed Porphyrion, after ...

Black hole light echoes are an extreme form of gravitational lensing. To measure the masses and spins of black holes, ...

Massive stars about eight times more massive than the sun explode as supernovae at the end of their lives. The explosions, ...

A recent cosmic discovery reveals a black hole tearing apart one star and hurling its remains at another. This event links ...

A fresh analysis of decades-old X-ray black hole jet data has revealed bright, lumpy features with mysterious speed changes.

Astronomers have found a black hole in the Cygnus constellation formed without a supernova. This unique system includes a black hole and two stars. The black hole, feeding off a nearby red giant ...

It depicts a black hole as a maelstrom in spacetime, characterized by two horizons: an outer one, beyond which nothing can escape its gravitational pull, and an inner one that encloses a ring ...

WASHINGTON, Nov 5 (Reuters) - At the heart of our Milky Way galaxy lurks a supermassive black hole about four million times the mass of the sun, called Sagittarius A*. In fact, these objects ...

WASHINGTON (Reuters) - At the heart of our Milky Way galaxy lurks a supermassive black hole about four million times the mass ...

However, the discovery of the first-ever triple black hole system, V404 Cygni, complicates that picture. This black hole is orbited by a very close star (which orbits every 6.5 days) and a star ...

As we gaze into the universe, we've discovered most galaxies have a supermassive black hole lurking near the center.