Researchers have discovered something groundbreaking in the world of astrophysics—an incredible system where not one, but a ...

There's evidence out there for the supernova model of black hole formation. This is when a dying star erupts in a colossal ...

"We've never been able to do this before for an old black hole," Burdge said. "Now we know V404 Cygni is part of a triple, it ...

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Artist's impression shows a triple star system called V404 Cygni with a black hole and two ordinary stars. (photo credit: ...

However, a study published Oct. 23 in Nature has found that the black hole binary system V404 Cygni, which contains a black hole and a small star, has an additional friend — a second star that ...

An artist's impression shows a triple star system called V404 Cygni with a black hole and two ordinary stars. Material ...

Stellar-mass black holes typically form after a star goes supernova and collapses. However, the discovery of the first-ever triple black hole system, V404 Cygni, complicates that picture. This black ...

The system, called V404 Cygni, was thought to be a black hole and a companion star, but a second star billions of kilometres away was also found to be gravitationally connected to the duo.