A quasar is the extremely bright core of a galaxy that hosts an active supermassive black hole at its center. As the black ...

Astronomers have made a surprising discovery: some of the earliest and brightest quasars in the universe appear to be “lonely ...

Christina Eilers/EIGER-team An international team of astronomers, including Leiden PhD student Elia Pizzati, has observed ...

The astronomers used NASA's James Webb Space Telescope (JWST) to peer back in time, more than 13 billion years, to study the cosmic surroundings of five known ancient quasars.

But in a new MIT-led study, astronomers observed some ancient quasars that appear to be surprisingly alone in the early universe. The astronomers used NASA’s James Webb Space Telescope (JWST ...

Astronomers used the James Webb Space Telescope to detect ancient lonely quasars with murky origins. They appear to have few ...

Astronomers hypothesize that a long-ago dwarf galaxy dubbed Loki may have merged with the Milky Way when our galaxy was in ...