The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

Quasars are active galactic nuclei that are powered by supermassive black holes, which are millions to billions of times the mass of our Sun. The supermassive black hole consumes large quantities of ...

Abstract: Quasars in the Age of Time-Domain Astronomy: Black hole feeding, visible as quasars, is a critical ingredient in many fields from galaxy evolution to multi-messenger gravitational wave ...

Located near the quasar APM 08279+5255, this water vapour forms part of a hot, gaseous cloud stretching across hundreds of light-years, interacting with intense gravitational forces. This ...