The Rosetta mission with its lander, Philae, is a groundbreaking expedition to land on a comet (Comet 67P) for the very first time; special access reveals what this cutting-edge journey discovers and how these mysterious objects help create life on Earth. 

The hidden kingdom of microscopic alien organisms shapes the universe as much as galaxies, stars, and planets; new discoveries reveal how bacteria, viruses, and other micro-organisms built life on Earth and influence humanity's future in the cosmos.