The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

The Enigmatic Giants of the Universe Black holes, those mysterious entities lurking in the vastness of space, have always captivated the imagination of astronomers and poets alike. Their very ...

The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

A quasar from the early universe has revealed the longest black hole jet ever detected, spanning 200,000 light-years.

Surprisingly, the black hole driving this colossal jet is modest by quasar standards, weighing 450 million times the mass of ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's supermassive black hole Sagittarius A*. See W.M. Keck Observatory imagery of X7 ...

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

By revealing a massive radio jet in the early universe, J1601+3102 offers a rare snapshot of early quasar activity.

Scientists have created the first-ever 3D maps of star-forming molecular clouds near the Milky Way's supermassive black hole, ...

Astronomers have discovered a truly ancient monster: a radio jet 200,000 light-years wide, originating from when the universe ...

These jets become elusive the farther back in time astronomers try to look because of the so-called cosmic microwave ...