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

As far as supermassive black holes go, the one at the center of the Milky Way is relatively sedate. But, even in its supposed quiescent state, Sagittarius A* is prone to the occasional belch or ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was ...

Sagittarius A* is the supermassive black hole at the center of the Milky Way. As supermassive black holes go, it is fairly quiet. It’s not creating any galaxy-wide tantrums that should worry us.

Using the Gemini North telescope, astronomers have detected the largest black hole jet ever seen in the early universe. It's twice as long as the Milky Way.

The Event Horizon Project on May 12, 2022, released the first image first look at the Milky Way black hole, Sagittarius A*. Researchers on Thursday said they discovered black hole jets from the ...

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 ...