A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of galactic spin.

Astronomers following interstellar comet 3I/ATLAS say its buzz has been eclipsed by a much stranger sight: a colossal, ...

FLAMINGO simulation maps the universe but reveals a puzzling mismatch: galaxies cluster less than theory predicts.

For years, we’ve believed that the universe is a vast, uniform expanse, with the same properties stretching across the cosmos ...

The largest known structure in the Universe may be even larger than the large we thought it was. A re-examination of the distribution of powerful space explosions suggests that the Hercules-Corona ...

Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy clusters and superclusters containing an astonishing 200 quadrillion solar ...

Another batch of the ‘impossible’ galaxies turned out not to be standard galaxies at all, but a new type of object that ...

The universe is peppered with galaxies, which, on large scales, exhibit a filamentary pattern, referred to as the cosmic web. This heterogeneous distribution of cosmic material is in some ways like ...

An international team of researchers says it has spotted the largest rotating structure of dark matter and gas-rich galaxies.

As the universe evolves, scientists expect large cosmic structures to grow at a certain rate: dense regions such as galaxy clusters would grow denser, while the void of space would grow emptier. As ...