Astronomers have chased hypervelocity stars for more than a century. These rare objects move so fast that the Milky Way ...

The supermassive black hole at the center of our galaxy, known as Sagittarius A* or Sgr A*, is usually quiet and inactive. However, new research shows it was much more active in the past. Scientists ...

The supermassive black hole at the center of the Milky Way has long looked quiet, a dim and seemingly dormant presence ...

Astronomers describe the discovery of the largest-known stream of super-heated gas in the universe ejecting from a nearby ...

This understanding changed when Dikerby and his team pointed XRISM toward a large gas cloud near the galactic center.

Astronomers have completed the most comprehensive census of active galactic nuclei (AGN) to date, providing the clearest ...

This artist’s rendering illustrates a precessing jet erupting from the supermassive black hole at the center of galaxy VV ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

For the first time, a shockwave propagating inside the jet of a celestial object presumed to be a pair of orbiting ...

JWST peered at the glowing trail of stars left behind by a candidate runaway supermassive black hole deep in space, revealing ...

A Canadian-led team of researchers has discovered a 'baby' galaxy cluster in the early universe surrounded by gas far hotter ...

The supermassive black hole sitting at the heart of our galaxy is considered to be a slumbering giant. However, an ...