Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

A small black hole would plunge straight into the event horizon, while a normal star would quickly be torn apart by tidal forces. But astronomers theorize that a low-mass white dwarf, a compact ...

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...

Sgr A*, at the heart of the Milky Way and clocking in at 4.3 million solar masses, is the closest supermassive black hole we have access to. It's also on the quiescent end of the activity scale, which ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

One supermassive black hole has kept astronomers glued to their scopes for the last several years. First came a surprise ...

Astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected features never seen before ...

In December 2022, less than six months after commencing science operations, NASA's James Webb Space Telescope revealed ...

A cosmic mystery surrounding a black hole some 270 million light-years from the Milky Way is deepening. Now, the black hole has once again demonstrated strange features that teams of astronomers ...

A large international team of scientists has observed a phenomenon that astronomers didn't ever expect to see happen in real ...