Major survey results now hint that dark energy has evolved across cosmic history, raising questions about the standard model ...

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 ...

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

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

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...

In its quest to chart the evolution of the universe, ESA’s space telescope has already amassed a massive catalog of galaxies ...

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 ...

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 ...