Imagine a world of endless possibilities. A world where every decision you make splits reality in half. And then the next ...

Is Dark Matter's second season straying too far from the core themes of the series?

After the monumental success of Avengers: Endgame, I remember wondering, like many people, what Marvel could possibly do to follow up such a cultural juggernaut. How could they raise the stakes or ...

Peacemaker season 2 has introduced a major reveal about DC’s multiverse in its second episode, one that both opens vast possibilities and greatly expands upon one element of classic DC lore.

Pick up any science fiction book from the 1960s, and you’ll find parallel dimensions explained through magic portals or mysterious machines that work “just because.” Today’s readers want stories that ...

In the new Apple TV+ miniseries Dark Matter, Joel Edgerton plays Jason Dessen, a science teacher who gets abducted by a version of himself from a parallel reality. This other Jason — call him Jason2 — ...

Dark Matter introduces viewers to a mind-bending way of multiverse travel involving a mysterious box. But even by the end of the series, people are left with multiple questions about how the box works ...

Doctor Strange in the Multiverse of Madness underwent many changes during production, with several cameos and subplots either altered or outright scrapped. That's par for the course with Marvel ...

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 ...