The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...

It is not surprising that there are regions that are more densely populated by galaxies, and regions that are less populated.

Supermassive black holes are seen as sources of wanton cosmic destruction, but there may be more to their powerful influence ...

A rare ring of light surrounding a galaxy nearly 590 million light-years away from Earth has been discovered by a space ...

Hubble captured Westerlund 1, a massive young star cluster with 50,000+ stars. This study reveals stellar motion, structure, ...

Astronomers have discovered what they are calling the largest-known structure in the universe. Named "Quipu" after an Incan ...

Using the Hubble Space Telescope (HST), astronomers have observed a supermassive galactic open cluster designated Westerlund ...

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

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

A mysterious fast radio burst from a dead galaxy challenges theories, hinting at unknown cosmic forces producing powerful ...

Giant radio galaxies (GRGs) are massive, with plasma jets powered by supermassive black holes at their centers, stretching ...