Examines unidentified objects witnessed by military pilots, extraterrestrial probes flying through our solar system, and a potential alien home world that may be hidden in the darkness of space.

As we make plans to travel beyond the Moon to new worlds, how are we preparing to become human extraterrestrials? Just how will we survive this trip into the unknown?

The blue marble we call Earth remains in large part a mystery to the 8 billion people who live on it. We analyse how Earth came to exist, and the secrets of its survival. And we discuss how long humans will be able to call it "home."

For centuries, we've been fascinated by our nearest planetary neighbour, Venus, and its shimmering appearance in our night sky.

From asteroids and bursts of radiation to microscopic alien viruses, each one of these cosmic dangers may end human civilization as it is known.

Humans want to go into uncharted territories to make discoveries. As the next era of space exploration begins, it must be analysed what humans will find when reaching other planets, as well as the dangers faced when trying to conquer new frontiers.