Ancient quasars seen by the James Webb Space Telescope technically shouldn’t exist, but one rare type of dark matter could make sense of that. Ultra-self-interacting dark matter clumped into ...

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 ...

By analyzing multiwavelength data from various space telescopes and astronomical surveys, Chinese astronomers have explored ...

"Microquasar jets have them all!" Standard quasars are powered by supermassive black holes feasting on surrounding matter and gas in central regions of some galaxies called active galactic nuclei ...