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

'This galaxy was developing bars 2 billion years after the birth of the universe,' says a researcher.

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

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

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

After combing through NASA's James Webb Space Telescope's archive of sweeping extragalactic cosmic fields, a small team of ...

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

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

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

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

A wobbling jet from a giant, voracious black hole is suppressing star formation in a distant galaxy—and astronomers have ...

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