Astronomers have discovered a "missing link:" a tiny black hole lurking with a red giant star in a strange and ...

Black holes are on a continuum of ultradense objects that form from the remnant cores of dead stars after they run out of ...

Astronomers from the National Central University in Taiwan have investigated an unusual superorbital period variation of an X ...

Astronomers led by Song Wang from the Chinese Academy of Sciences, have discovered an unusual celestial phenomenon, ...

"The great hum" in the October 2023 issue states that astronomers weren't sure that supermassive black holes in binary systems could close in on each other. I would assume that objects with such ...

In any globular cluster, all its stars formed at the same time, from the same cloud of gas. The Milky Way has around 150 ...

Recently, Chinese scientists used radial velocity and astrometry methods to discover a promising mass-gap black hole in the binary system G3425. It has a mass of around 3.6 times the Sun, which could ...

Like two Sumo wrestlers squaring off, the closest confirmed pair of supermassive black holes have been observed in tight ...

Strange, ultraheavy stars that are rich in barium grow massive by cannibalizing their companions, scientists discover after ...

It could be gravitational lensing, where space-time is warped by immensely heavy objects, sometimes magnifying objects far ...

GRBs might stem from neutron stars colliding, binary stars merging, black holes swallowing stars, or stars going supernova. Patterns in the arrival times of the gamma rays can help us decide which ...