Structure of he universe (Introduction)
Big Bang theory states the universe has a cobweb of filaments running through it. Hubble research has found a 3-D dark matter filament. The video simulation is not of stars but galaxies:-http://phys.org/news/2012-10-dark-filament-d.html
Structure of he universe
Findng more evidence of dark matter using gravitational lensing:-http://phys.org/news/2014-07-large-dark-peaks-gravitational-lensing.html