2. Alien Worlds: The Search for Second Earth

Professor Brian Cox questions whether we are alone in the universe. There might be more planets than stars in our galaxy - but will we find a second Earth?

3. The Milky Way: Island of Light

A space mission discovers the dramatic history of the Milky Way. Professor Brian Cox reveals how our galaxy endured multiple collisions as rival galaxies fought for survival.

4. Black Holes: Heart of Darkness

Prof Brian Cox journeys into a supermassive black hole - a monster that can destroy worlds, stop time, and is forcing us to reassess our understanding of reality.

5. The Big Bang: Before the Dawn

It’s the ultimate question: why are we here? Cutting-edge space missions take us back 13.8 billion years to the very beginning – the origin of the Universe.