The best space documentaries on Netflix seek out answers to humanity's most crucial questions in the vastness of space. It is a subject that has intrigued the world since people first began gazing up at the stars and there have been many fascinating documentaries that have been made about space exploration in recent years. From humankind's first small steps toward the infinite to conspiracies regarding ancient peoples and their run-ins with beings from outer spheres, various aspects of space exploration are well documented and easily accessible on the streaming giant today.