Scientists discovered one other curiosity between the relics: a faint glow at the center of the cluster. This could be a ...

The Chandra X-ray Observatory view of galaxy group NGC 4839 has revealed that it is "plunging into the Coma galaxy cluster ...

Scientists have found evidence for a cosmic collision in the Perseus cluster, a group of thousands of galaxies not far from ...

The XRISM science team, including members from Nagoya University in Japan, has explained how a galaxy cluster maintains its heat, despite emitting X-rays that cool the hot gas at its center. The group ...

What can heat distribution within galaxy clusters, which often consist of hundreds to thousands of galaxies, teach astronomers about their formation and ev | Space ...

One of the most famous and beautiful cosmic sights shows its colors in this new image from the Hubble Space Telescope. The Veil Nebula is the remnant of a massive star which exploded in a supernova 10 ...

Sagittarius C, a turbulent region near the Milky Way’s center, is glowing with hot plasma and threaded by magnetic fields, ...

Young globular cluster NGC 1850 hosts two stellar generations, red giants, blue stars, and a black hole in Magellanic Cloud.

If you ever want to get a bit of perspective, there's very little that's more humbling than a good deep field image – and ...

Astronomers have captured unprecedented images of the universe’s earliest galaxies using the James Webb Space Telescope, ...

Astronomers have just revealed the largest collection of galaxy groups ever observed—thanks to the powerful eyes of the James ...