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