What was before the Big Bang? And how do we know it happened? Let BBC Science Focus give you the low down on the birth of The Universe.
BBC Horizon: What Happened Before The Big Bang Movie Streaming
What Existed Before the Big Bang?
What was there before the Big Bang? - BBC Sky at Night Magazine
If The Big Bang Wasn't The Beginning, What Was It?
What happened before the big bang?
The Big Bang and the Origin of Everything
What was before the Big Bang? Everything you need to know - BBC
What existed before the Big Bang?
James Webb telescope takes super sharp view of early cosmos - BBC News
How did time begin, and how will it end?
Before the Big Bang: The Prehistory of Our Universe by Brian Clegg
It all started with the Big Bang — and then what happened?
Could there have been a Universe before the Big Bang?
BBC Sky at Night Magazine