Researchers from the University of Arizona have recently discovered the most distant quasar to date. This finding allows researchers to answer how black holes can possibly grow. Quasars contain ...

Confirming a non-universal X-ray-to-ultraviolet relation with cosmic time is quite surprising and challenges our ...

A team of European astronomers has used the European Southern Observatory’s (ESO) Very Large Telescope (VLT) and a host of other telescopes to discover and study the most distant quasar found to date.

The Extended Baryon Oscillation Spectroscopic Survey (eBOSS), the world's largest galaxy survey, is part of Phase IV of the Sloan Digital Sky Survey (SDSS), a major multi-spectral imaging and ...

(Nanowerk News) Astronomers have discovered the second-most distant quasar ever found using three Maunakea Observatories in Hawai'i: W. M. Keck Observatory, the international Gemini Observatory, a ...

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Plenty of groups have been theorizing about primordial black holes (PBHs) recently. That is in part because of their candidacy as a potential source of dark matter. But, if they existed, they also had ...