What is the Big Bang Theory?

The Big Bang Theory explains how the universe began with an infinitely hot and dense single point that inflated to form the ever-expanding cosmos we see today.

The Big Bang Theory: Season 1 : Johnny Galecki, Jim Parsons, Kaley Cuoco: Movies & TV

Understanding the Big-Bang Theory

If The Big Bang Wasn't The Beginning, What Was It?

What The Cast Of The Big Bang Theory Is Doing Now

Big Bang - Wikipedia

The Big Bang Theory: The Poster Collection, Book by Insight Editions, Official Publisher Page

Alternatives to the Big Bang Theory (infographic)

Ask Astro: How did the Big Bang start from the size of a pinhead?

Why Are 23.4 Million People Watching The Big Bang Theory?