Is it possible to understand the universe without understanding the largest structures that reside in it? In principle, not ...

In the Ophiuchus galaxy cluster, astronomers spotted the largest explosion in the universe consisting of energy equal to a ...

Astronomers studying FCC 224, an ultra-diffuse galaxy, have discovered luminous, overmassive globular clusters, providing key ...

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

The James Webb Space Telescope (JWST) continues to transform our understanding of the universe. By combining its advanced resolution and sensitivity with the magnification power of gravitational ...

Using NASA's Chandra and ESA's XMM-Newton spacecraft, an international team of astronomers have performed X-ray observations of a nearby low-mass galaxy cluster designated PSZ2 G181.06+48.47.

Large-scale structures in the universe — the great chains of galaxy clusters that span the cosmos — can be traced back to the ...

Using NASA's Chandra and ESA's XMM-Newton spacecraft, an international team of astronomers have performed X-ray observations of a nearby low-mass galaxy cluster designated PSZ2 G181.06+48.47.

The galaxy, located in the constellation Leo, is about the same size as a star cluster within the Milky ... million and one billion years after the Big Bang. It was during this period that the ...

The unobstructed skies that gave Big Sky, Montana its name made for an appropriate setting for the release of two postage ...