Humans on Mars: The Craziest, Weirdest, and Most Plausible Plans in History

Humans on Mars: The Craziest, Weirdest, and Most Plausible Plans in History | Wired Science | Wired.com: "Of course, we’ve been 20 years away from Mars for the last half-century. Between 1950 and 2000, NASA and various independent groups have come up with more than 1,000 detailed studies for manned Mars missions. Yet not a single one has come very close to fruition. At least on paper, Mars remains an eventual NASA goal, with their latest Curiosity rover seen in some ways as a precursor to human missions."