Astronomers have uncovered a vast, razor-thin strand of galaxies that is not just drifting through space but spinning together like a cosmic ride. The structure, buried inside a much larger filament ...

Look up on a dark night and the stars seem scattered at random. Step back in scale, though, and the Universe looks nothing like a loose dusting. On its largest stretches, matter forms a vast web.

A colossal cosmic filament, measuring 50 million light-years long, has been discovered spinning in deep space, astonishing astronomers with its scale and movement. The filament, which contains more ...