NASA Chandra X-ray telescope data from galaxy cluster Abell 2146 shows a "shockwave that stretches for some 1.6 million miles ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

Using the Hubble Space Telescope (HST), astronomers from the University of California Santa Cruz (UCSC) and elsewhere have ...

Set against a backdrop littered with tiny pinpricks of light glint a few, brighter stars, this is NGC 1858, a 10-million-year ...

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

Explore the breathtaking beauty of the cosmos with seven incredible images of star clusters and galaxies captured by NASA.

An ultra-deep image from the National Science Foundation's Dark Energy Camera reveals a wide variety of galaxies in the ...

Astronomers discover Inkathazo, a massive giant radio galaxy spanning 3 million light-years, using South Africa's MeerKAT ...

New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

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.

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

The MeerKAT telescope is located in the Karoo region of South Africa, is made up of 64 radio dishes and is operated and ...