Ever wondered just how massive the universe is? From Earth to the farthest galaxies, this video reveals the mind-bending size of the cosmos in ways you’ve never imagined. Donald Trump Dealt Blow ...

String theorists are betting that extra dimensions do indeed exist; in fact, the equations that describe superstring theory require a universe with no fewer than 10 dimensions. But even physicists ...

In fact, string theory predicts a universe with nine spatial and one time dimension, for a total of 10 dimensions. (The most current version of string theory predicts 11 dimensions.) The nine ...

Supermazes come from M-theory, an umbrella idea that includes multiple versions of string theory, in which our universe contains 11 dimensions—not just the four that physicists know to exist.

This fresh perspective shakes up long-held ideas about cause and effect and invites us to imagine an entirely new kind of universe ... three dimensions act as time dimensions, while one remains ...