This space wallpaper shows an artist's impression of the black holes studied by astronomers, using ULTRACAM attached to ESO's Very Large Telescope.

Take a journey to 89 million light-years away from Earth to the NGC 7727 galaxy. It harbors the closest pair of supermassive ...

This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space.