This article appeared in the March/April 2021 issue of Discover as "Medicine for Mars." Support our science journalism by becoming a subscriber.
Science fiction writers have been dreaming of a crewed mission to Mars for over a century. But it wasn’t until Wernher von Braun published the English translation of his book, The Mars Project, in 1953 that the idea was plucked out of the realm of fiction and into reality.
The Mars Project makes an impressive case for the technical feasibility of getting to Mars, outlining with extraordinary specificity how 10 space vehicles, each manned with 70 people and using conventional propellant, could achieve a round-trip voyage to the Red Planet.
Although science has developed considerably since the book was published, challenges still remain, from designing a breathable habitat to growing nutritious food. But there’s another issue that a NASA research project called the Center for the Utilization of ...