A giant rotating filament of the cosmic web may be the largest spinning structure ever seen, and could help reveal how ...

The largest spinning structure ever seen was a giant rotating filament of the cosmic web, a rotation with clues about how ...

These gigantic structures, which contain hundreds or even thousands of galaxies bound together by gravity, offer important ...

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of gravity. The discovery is an important step toward the observation of dark matter ...

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...