From NASA to SpaceX, numerous space agencies and private spaceflight companies have bold plans to send humans to Mars, possibly even within the next few decades.
Given NASA's ambitious plans to land astronauts on Mars by 2040, a hot topic of debate has been who will get to represent humanity on the Red Planet. At the center of that discourse is the 70-year-old argument that an all-female crew would make the most sense both biologically and psychologically, and not just as a matter of diversity and representation.
