The Human Heart May Not be Able to Handle a Trip to Mars

Anyone dreaming of casting off the shackles of Earth for the microgravity wasteland of Mars is in for some (more) bad news. In addition to a host of other problems, the necessary 18-month spaceflight would, apparently, lead to one very unhealthy (and spherical) astronaut heart. Read More >>

Would You Accept A One-Way Trip to a Colony on Mars?

Now that nuclear-thermal rockets are becoming a reality, we may very well be shipping off the first human pioneers to Mars (both safely and efficiently) in the not-too-distant future. This, of course, leaves the question of exactly who will become the first generation of Martian-Earthlings. Read More >>


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