"We see for the first time the effect of a quasar's radiation directly on the internal structure of the gas in an otherwise ...

Astronomers watched as a galaxy with the forgettable name SDSS1335+0728 suddenly sprang to life when its massive black hole ...

The Event Horizon Telescope captured the first image of the Milky Way galaxy's supermassive black hole Sagittarius A* — our galaxy's "black hole heart." Credit: ESO ...