Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes ...
The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.
The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...
"If our eyes were able to detect X-rays, the sky would be full of dots. And every single one of those dots would be an ...
The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...
Researchers in South Korea are developing a constellation of satellites that could reveal what goes on in the vicinity of ...
Using the MIRI instrument onboard the James Webb Space Telescope, an international team of scientists made the first-ever ...
After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.