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

See amazing views of the M74, NGC 7496, IC 5332, NGC 1365, and NGC 1433 galaxies captured using the James Webb Space ...

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

The James Webb Space Telescope observed 19 nearby face-on spiral galaxies in near- and mid-infrared light as part of its contributions to the Physics at High Angular resolution in Nearby GalaxieS ...

The latest data release from the Sloan Digital Sky Survey (SDSS) includes observations revealing the internal structure and composition of nearly 5,000 nearby galaxies observed during the first three ...

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

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

Observations of ultra-massive galaxies, each containing more than 100 billion stars, show that less than 2 billion years ...

According to the standard model of cosmology, the vast majority of galaxies are surrounded by a halo of dark matter particles. This halo is invisible, but its mass exerts a strong gravitational pull ...