Video: 4 Creepiest Things in Outer Space

Black holes-  time-bending regions of space that allow nothing to escape from their grasp – are terrifying enough. Now imagine a bunch of them screaming across the galaxy at nine-hundred million miles per hour.

Supermassive black holes, the Bootes Void, and Dark Flow (the name scientists have given to the mysterious force which they have detected beyond the borders of our visible universe) are also discussed in this fascinating video from Strange Mysteries.