The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

This effect produced four distinct images of the same quasar in a cross-like pattern around the central galaxy ... image revealed about 3,000 distant galaxies, offering humanity's first profound ...

New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against ...

Quasars are distant galaxies ... X-Ray Flashes from a Nearby ... Ray Observatory to show there's new knotty science to discover around black ... Oct. 17, 2024 — Astronomers observed ancient ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from ...

Using the Spektr-RG (SRG) space observatory, astronomers from the Russian Academy of Sciences have inspected a radio-loud ...

Astronomers have, for the first time, directly observed star clusters merging at the cores of dwarf galaxies—a process long ...

The dwarf galaxies surrounding Andromeda, the closest galaxy to our own, have an extremely strange distribution that's ...

A re-examination of the distribution of powerful space explosions suggests that the Hercules-Corona Borealis Great Wall, a ...

The release featured three deep-field mosaics glittering with 380,000 galaxies and hundreds of examples ... or NGC 6543 in the center of the image, around 3000 light-years away.

Astronomers have recently uncovered a perplexing discovery regarding the satellite galaxies surrounding the Andromeda galaxy ...