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 first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.
Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes ...
In December 2022, less than six months after commencing science operations, NASA's James Webb Space Telescope revealed ...
After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.
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 ...