Ranging from the unimaginably small to the unimaginably big, the scale of the universe is mind-boggling. Watch to try to wrap your head around it. Produced by Alex Kuzoian. Follow BI Video ...

One such moment was when space craft sent back images of the Earth for the first time. Another is the discovery of life on ...

The large-scale structure of the universe refers to vast ... example of virtual particles and the quantum fluctuations that create them and thus vacuum energy. Here's the kicker: if dark energy ...