Scientists explore the possibilities of extra-terrestrial life in the 100 known galaxies of the visible universe – do aliens exist?
About The Show
Episodes
Episode 1
What to Expect
Scientists explore the possibilities of extra-terrestrial life in the 100 known galaxies of the visible universe - do aliens exist?
Episode 2
How to Prepare
In part two, cutting-edge research leads an action-packed journey through space, to find out exactly whether aliens might come here, and how to prepare when they arrive.
