Astronomers spotted nine galaxies with characteristics that have never been seen as a collection before. It's possible this ...

Astronomers have completed the most comprehensive census of active galactic nuclei (AGN) to date, providing the clearest ...

The discovery of thousands more galaxies with stars ringing their main disks could help astronomers study galactic evolution ...

In the very young universe, just a fraction of its current age, astronomers have stumbled on a set of objects that refuse to ...

But while the newfound objects bear a strong resemblance to known classifications of quasars, they don't quite fit. For one ...

Astronomers have long puzzled over how some massive galaxies stop forming stars and remain dormant for billions of years—even ...

Gas within the cluster, which existed merely 1.4 billion years after the Big Bang, is at least five times hotter than ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

Using data from the James Webb Space Telescope, astronomers have identified a population of “platypus galaxies” that defy ...

Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

Do all stars exist in galaxies, or do some exist in intergalactic space?Thomas GriffilthAtlantic City, New Jersey Nearly all ...

Webb reveals a bridge of stars linking two nearby dwarf galaxies, offering a look at how gravity reshapes galaxies and sparks ...