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

"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." ...

Earlier this month, a team of US National Science Foundation NOIRLab astronomers discovered a supermassive black hole, called ...

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.

The team observed AT 2021hdr using the Neil Gehrels Swift Observatory and found periodic oscillations of ultraviolet and ...

In March 2021, astronomers observed a high-energy burst of light from a distant galaxy. Assigned the name AT 2021hdr, it was thought to be a supernova. However, there were enough interesting features ...

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

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 ...

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

"X-ray polarization provides a new way to examine ... among them Cygnus X-1 and Cygnus X-3, stellar-mass binary black hole ...

New research from NASA's Chandra X-ray Observatory uncovers fast-moving knots in black hole jets, highlighting differences in ...