With the release of the latest installment of the Aliens franchise (Alien:Romulus), Luke thought it timely to revisit the scientific possibility of the existence of extra terrestrial life.

He tells an intriguing tale of NASA's efforts to make contact going back to the launch of Voyager in the 70s and what artefacts that might pique the interest og a nosy alien. He also reveals the recent revelations regarding the possibility of life on Mars.

Take your protein pills, put your helmet on and enjoy!