A Yale-led team of astronomers has detected an intensely brightening and dimming quasar that may help explain how some objects in the early universe grew at a highly accelerated rate. The discovery, ...

A quasar is a powerful source of light, created by torrid gas orbiting a gargantuan black hole at the center of a galaxy. The intense radiation from one quasar, named VIK J2348-3054, has probably ...

At the center of 3C 273 lies asupermassive black hole feeding off nearby matter, creating the luminous phenomena we know as a quasar. For decades, 3C 273 has been a cornerstone of extragalactic ...

The black hole powering a quasar 13 billion light-years from Earth is half as massive as all the stars around it — a record high ratio for a quasar host galaxy, astronomers report in a paper ...

NuSTAR Observations of a Varying-flux Quasar in the Epoch of Reionization. The Astrophysical Journal Letters , 2025; 979 (1): L6 DOI: 10.3847/2041-8213/ad94ee Cite This Page : ...