Latest / What If: Science, Theory, and Possibilities

What If the Big Bang Wasn't the Beginning of the Universe?
In the beginning, there was nothing. Then bang. Our Universe emerged in an explosion of light and energy. Current theories say that it all began 13.7 billion years ago. Or did it? Let's shed some light on this. How fast is the Universe expanding? Will the Universe and everything in it ever die? And why could our Universe have existed before the Big Bang? What's a singularity?
Transcript and sources
Get our 100 best episodes in one mind-blowing book: Get the book
Join this channel to get access to perks:
Join now
Watch more what-if scenarios:
Planet Earth
The Cosmos
Technology
Your Body…
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.