An international team of astronomers has conducted a multiwavelength study of an X-ray binary designated 1eRASS ...

Scientists using observations from NASA's Neil Gehrels Swift Observatory have discovered, for the first time, the signal from ...

"Overall, it's not surprising that black holes should be in triples, but what's surprising is that this system held onto the outer star after forming the black hole." ...

Scientists using observations from NASA's Neil Gehrels Swift Observatory have discovered, for the first time, the signal from a pair of monster black holes disrupting a cloud of gas in the center of a ...

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An artist's rendition of the black hole X-ray binary V404 Cygni. This is the first time a black hole triple has been discovered. An artist's rendition of the black hole X-ray binary V404 Cygni.

This so-called "X-ray binary" of the black hole and its victim star were previously known, and the system has been well-studied. However, a deeper investigation performed by a team led by Kevin ...

An X-ray binary system composed of a black hole and a star in the process of being consumed turns out to have a third member circling. Unless some unlikely scenarios occurred, the existence of ...