Science fiction fans, philosophers, and physicists have been captivated by the idea of parallel universes, often known as multiverses, for many years. According to this intriguing theory, there are ...

This interview was originally broadcast on January 24, 2011. The Hidden Reality: Parallel Universes and the Deep Laws Of the Cosmos is now available in paperback. Greene is also hosting a NOVA series ...

Beyond the treacly aspects of this Christmas classic lies much worthy to chew on, including the question of what the world would be like if we didn’t exist. In theoretical physics, the hypothesised ...