Professor Brian Cox seeks to understand the nature of time.

What are we and where do we come from? Professor Brian Cox finds out.

Brian Cox takes on the story of the force that sculpts the entire universe - gravity.

In the last episode of Professor Brian Cox's epic journey across the universe, he travels from the fossils of the Burgess Shale to the sands of the oldest desert in the world to show how light holds the key to our understanding of the whole universe, including our own deepest origins.