A Matter Mystery: The Big Bang - LIVE

It all started nearly 14 billion years ago when a singularity began expanding. Called the Big Bang, that tiny event would become a universe filled with planets and stars and intergalactic gases and comets and … well, a lot of other things. And it all happened in “a cosmic blink of an eye.”

“The Big Bang was a very small and very massive event. We don’t know exactly how it happened, or how we got here,” said Mark Hanhardt. “But the character of the universe likely was decided in the first few seconds.”