Scientists have discovered that active supermassive black holes don't just kill their home galaxies, but can also eradicate star formation for their neighbors.
Supermassive serial killers: Astronomers discover how black holes 'kill off' neighboring galaxies
Source: space
Source Link: https://www.space.com/astronomy/black-holes/supermassive-serial-killers-astronomers-discover-how-black-holes-kill-off-neighboring-galaxies