Secrets de la Science : Sommes-nous seuls dans l'Univers ?

NASA engineer Allan Petre, 24, from a modest background in Seine-Saint-Denis, sets out to answer one of science’s greatest questions: Are we alone in the universe? From the Pic du Midi Observatory in the French Pyrenees to scientific sites around the world, he meets astronomers and researchers searching for signs of extraterrestrial life. Narrated by actor Jean Reno.