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The suborbital flights envisioned by SpaceShipTwo and Lynx will be much different, and much briefer, than an orbital mission aboard the International Space Station or NASA's now-retired...
Four decades after the United States' first space station roared into orbit, a second version of the groundbreaking craft may be on the horizon.
That's an abbreviated version of the pitch Mars One has made, and more than 30,000 people read it and applied for the chance to be permanent Mars residents. It's not my cup of...