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 ...

Ancient Greek astronomer Aristarchus was the first who presented the heliocentric system, maintaining that the Earth revolves around the Sun.

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 ...

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.

Astronomers have discovered the earliest strongly rotating galaxy ever seen that's well-organized rather than chaotic, ...

REBELS-25, a galaxy resembling the Milky Way found in the early universe, defies traditional models with its orderly ...