Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon ...

ESO/L. Calçada, N. Risinger (skysurvey.org), DSS, VISTA, VVV Survey/D. Minniti DSS, Nogueras-Lara et al., Schoedel, NACO, GRAVITY Collaboration, EHT Collaboration (Music: Azul Cobalto) ...

The Milky Way can be seen as something of a bully, having devoured many smaller galaxies to achieve its vast mass, and ...

making it twice as long as the width of the Milky Way. Even more surprisingly, the black hole that powers the quasar from which this jet erupts, designated J1601+3102, is relatively small.

ASTRONOMERS may have just found the fastest exoplanet system in the galaxy – a super-Neptune world orbiting a hypervelocity ...

stretching at least twice the length of the Milky Way galaxy. Scientists added, however, that the black hole fueling the quasar producing the jets is small compared to other black holes ...

stretching at least twice the length of the Milky Way galaxy. Scientists added, however, that the black hole fueling the quasar producing the jets is small compared to other black holes, equaling 450 ...

At double the width of our Milky Way galaxy, this jet of radio waves ... quasars are galactic cores with gas and dust falling into a black hole, releasing a tremendous amount of energy that ...

CAPE CANAVERAL, Fla. (AP) — Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back ...