The NASA astronaut Buzz Adrin has called for the world to press on with establishing a human settlement on Mars to offer the younger generation much-needed objectives. The second person to walk on the moon said that setting up habitation on the surface of the red planet was a "wonderful objective" for humanity. Buzz Aldrin on the moon, 1969 Given the backdrop of the ailing world economy, space exploration could offer younger generations much-needed goals, the 79-year-old said. "I think we need to look quite a way down into the future to inspire our young people with that greatness. "America...