Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.

A team of researchers believe they have identified a large, rotating structure 140 million light-years away from Earth. The structure, embedded within a larger filament, appears to challenge current ...

Astronomers have observed enormous filaments of galaxies tied together with dark matter — the stuff scientists believe makes up 85 percent of the total mass of the universe — stretching across ...