While space has always been the final frontier, it’s also been an unknowable one that every country has wanted to be first to conquer. Finally, newly released documents give us glimpses into NASA’s covert plan to blow up the moon with a nuclear warhead, the Soviet Union’s cover-up of history’s deadliest space disaster, and how U.S. attempts to put spies in orbit paved the way for the first space station–and the secret space race that were hidden from headlines.