A new study of super-fast-moving stars suggests that they were accelerated by a monster black hole that's been lurking unseen in the galaxy next door. This appears to be the closest supermassive ...

When they looked closer, the researchers found that when the quasar-powered galaxy skewered its opponent ... Noterdaeme said that the next generation of observatories, namely the under-construction ...

An ALMA image of the galaxies, the one on the right hosting a quasar. Image: ALMA (ESO/NAOJ/NRAO)/S. Balashev and P. Noterdaeme et al. In the cold, ancient reaches of the cosmos, two galaxies are ...