It is often described as "the final frontier", and not just by those who follow the adventures of Captain Kirk and the crew of the USS Enterprise. The phrase, though, may take an even more literal meaning for those exploring space in the future.
The next generation of astronauts may hurtle through the cosmos for years or decades on a mission to explore distant planets and stars – and never return. Full story:
* NASA: 'Mars Is The Planet Of Our Destiny':
* NASA eyes water in Moon mission - Institute for Human Continuity (IHC) - IHC Mission Statement: Our mission is to ensure the survival of the human race beyond 2012: