One of the most powerful objects in the universe is a radio quasar—a spinning black hole spraying out highly energetic ...

An international team has discovered a giant spiral disk galaxy in the early cosmos which is three times larger than similar ...

Astronomers have made an extraordinary discovery—the largest and most distant water reservoir ever detected in the universe. This cosmic water source, equal to 140 trillion times the volume of Earth’s ...

The Schmidt story was not an easy one to report or to write. The world of quasar astronomy is one of nigh-incredible reaches in time, space and imagination. It involves unheard-of distances ...

Potential evidence of negative quasar feedback at protocluster scales, Astronomy & Astrophysics (2024). DOI: 10.1051/0004-6361/202449566 ...

the Dutch-born astronomer has upset the familar pre-quasar universe of stars and galaxies. He has rocked the worlds of astronomy, physics and philosophy. He has undermined established theories and ...

Quasar J0742+2704 (center) became the subject of astronomers' interest after it was discovered to have a newborn jet blasting from the disk around its supermassive black hole in 2020, using the ...

Abstract: Quasars in the Age of Time-Domain Astronomy: Black hole feeding ... Single-epoch spectroscopy has been a workhorse for building the modern picture of quasar central engines. Extending this ...

Astronomy is arguably the oldest science, and has featured strongly throughout the history of Nature — the first quasar, the first exoplanet, the nature of spiral nebulae, to name but a few of ...