In the past, spaceflight was the preserve of government-funded astronauts who had to meet stringent physical, cognitive, psychological and social requirements for selection. But in recent years, that ...
Humans will likely set foot on the Moon again in the coming decade. While many stories in this new chapter of lunar exploration will be reminiscent of the Apollo missions 50 years ago, others may look ...
Space elevators? Nuclear rockets? The future of space travel could look radically different. Imagine taking an elevator to space. Or blasting off in a nuclear rocket. That might sound like science ...
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