NASA reveals GROUNDBREAKING research on twin astronauts - ‘Most comprehensive EVER’ NASA has released the findings of a landmark investigation into the impact of space travel on humans, which one scientist described as the “most comprehensive view that we’ve ever had”. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:NASA scientist defends NUCLEAR weapons being used to DESTROY asteroids heading for EarthYellowstone volcano: Series of earthquakes hit deadly caldera – eruption warning?Cancer cure? Why scientist believed ‘anti-ageing plant’ could also be ‘MIRACLE fix’For a Split Second, a (Simulated) Particle Went Backward in TimeNASA WARNING: Giant 1000ft asteroid could SMASH into Earth – 'wipe out an entire city'UFO sighting? Meteor? SpaceX snaps incredible FIREBALL streaking over Earth - What is it?