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) ...

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 ...

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 ...

Researchers have discovered the largest black hole plasma jets ever in a galaxy almost 7 billion light years away from Earth.