The official website for NOVA. NOVA is the most-watched prime time science series on American television, reaching an average of five million viewers weekly.

Venture into the mysteries of the universe that may have existed before the Big Bang. In this video, we explore cyclic ...

What lies beyond the universe? For centuries, scientists have pondered this question, and recent groundbreaking discoveries may hold the answer. Using state-of-the-art quantum computers at CERN ...

A multiverse may be a natural prediction of the physical theories that define the beginning of the universe.

There may well be simpler, more powerful and more testable explanations for the basic properties of the universe than those the standard orthodoxy provides.

This is the multiverse, and it might be a natural prediction of the physical theories that define the beginning of the universe. Or it might not. It's tough to say, as new research has shown.

New research looking at the cosmological constant problem suggests the expansion of the universe could be an illusion.

He’s a strong supporter of the “ many worlds ” interpretation of quantum mechanics, which holds that our universe is just one facet of a vast quantum multiverse.

The Higgs boson particle could have kept our universe from collapsing within a larger multiverse, physicists say.

The Big Ideas: What Is Reality? In a Parallel Universe, Another You As they probe the secrets of the cosmos, scientists question whether our reality is but one in a multiverse.