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

Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.

A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...

MIT astronomers observed flashes of X-rays coming from a supermassive black hole at a steadily increasing clip. The source could be the core of a dead star that’s teetering at the black hole’s edge.

Sagittarius A* is the supermassive black hole at the center of the Milky Way. As supermassive black holes go, it is fairly ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

Using the MIRI instrument onboard the James Webb Space Telescope, an international team of scientists made the first-ever ...

"This is how you solve the universe-breaking problem." ...

Researchers found far more hidden black holes than previously known, indicating plenty of behemoths lurking in thick clouds ...