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

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

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

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

Strange cosmic objects spotted by NASA's James Webb Space Telescope (JWST) are presently puzzling astronomers. The odd ...

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

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

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

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 ...

The NSF NOIRLab-operated Gemini North telescope captured stunning imagery of galaxies UGC 12914 and UGC 12915, aka 'Taffy ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...