Our civilization emerged from rocks, stars and endless space.

Questions about are we alone and why are we here on Earth.

Brian Cox explores the ingredients needed for an intelligent civilization to evolve in the universe; Brian weighs the evidence and arrives at his own provocative answer to the puzzle of our apparent solitude.

Brian explains how human curiosity has led to a modern understanding of humans' place in space and time.

Brian Cox concludes the series by returning to the top of the world in Svalbard, where he gains access to our civilization's greatest treasure, locked away in a vault buried deep in the permafrost. Join him as he unlocks the secret of our long-term survival.